diff --git a/package.json b/package.json
index bb2bb686d2b..55ca1235170 100644
--- a/package.json
+++ b/package.json
@@ -63,6 +63,7 @@
     "react-focus-lock": "^1.17.7",
     "react-input-autosize": "^2.2.2",
     "react-is": "~16.3.0",
+    "react-live": "^2.2.2",
     "react-virtualized": "^9.21.2",
     "resize-observer-polyfill": "^1.5.0",
     "tabbable": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 447b059afc2..15edbf3c3ae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2676,6 +2676,18 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
+buble@0.19.6:
+  version "0.19.6"
+  resolved "https://registry.yarnpkg.com/buble/-/buble-0.19.6.tgz#915909b6bd5b11ee03b1c885ec914a8b974d34d3"
+  integrity sha512-9kViM6nJA1Q548Jrd06x0geh+BG2ru2+RMDkIHHgJY/8AcyCs34lTHwra9BX7YdPrZXd5aarkpr/SY8bmPgPdg==
+  dependencies:
+    chalk "^2.4.1"
+    magic-string "^0.25.1"
+    minimist "^1.2.0"
+    os-homedir "^1.0.1"
+    regexpu-core "^4.2.0"
+    vlq "^1.0.0"
+
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
@@ -3541,6 +3553,16 @@ component-emitter@^1.2.1:
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
   integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
 
+component-props@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/component-props/-/component-props-1.1.1.tgz#f9b7df9b9927b6e6d97c9bd272aa867670f34944"
+  integrity sha1-+bffm5kntubZfJvScqqGdnDzSUQ=
+
+component-xor@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/component-xor/-/component-xor-0.0.4.tgz#c55d83ccc1b94cd5089a4e93fa7891c7263e59aa"
+  integrity sha1-xV2DzMG5TNUImk6T+niRxyY+Wao=
+
 compress-commons@^1.2.0:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/compress-commons/-/compress-commons-1.2.2.tgz#524a9f10903f3a813389b0225d27c48bb751890f"
@@ -3839,6 +3861,14 @@ create-react-class@^15.5.1:
     loose-envify "^1.3.1"
     object-assign "^4.1.1"
 
+create-react-context@0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/create-react-context/-/create-react-context-0.2.2.tgz#9836542f9aaa22868cd7d4a6f82667df38019dca"
+  integrity sha512-KkpaLARMhsTsgp0d2NA/R94F/eDLbhXERdIq3LvX2biCAXcDvHYoOqHfWCHf1+OLj+HKBotLG3KqaOOf+C1C+A==
+  dependencies:
+    fbjs "^0.8.0"
+    gud "^1.0.0"
+
 cross-env@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.2.0.tgz#6ecd4c015d5773e614039ee529076669b9d126f2"
@@ -4638,6 +4668,14 @@ dom-helpers@^5.0.0:
     "@babel/runtime" "^7.6.3"
     csstype "^2.6.7"
 
+dom-iterator@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/dom-iterator/-/dom-iterator-1.0.0.tgz#9c09899846ec41c2d257adc4d6015e4759ef05ad"
+  integrity sha512-7dsMOQI07EMU98gQM8NSB3GsAiIeBYIPKpnxR3c9xOvdvBjChAcOM0iJ222I3p5xyiZO9e5oggkNaCusuTdYig==
+  dependencies:
+    component-props "1.1.1"
+    component-xor "0.0.4"
+
 dom-serializer@0, dom-serializer@^0.1.0, dom-serializer@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
@@ -5810,7 +5848,7 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-fbjs@^0.8.16:
+fbjs@^0.8.0, fbjs@^0.8.16:
   version "0.8.17"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.17.tgz#c4d598ead6949112653d6588b01a5cdcd9f90fdd"
   integrity sha1-xNWY6taUkRJlPWWIsBpc3Nn5D90=
@@ -6747,6 +6785,11 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
+gud@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gud/-/gud-1.0.0.tgz#a489581b17e6a70beca9abe3ae57de7a499852c0"
+  integrity sha512-zGEOVKFM5sVPPrYs7J5/hYEw2Pof8KCyOwyhG8sAF26mCAeUFAcYPu1mwB7hhpIP29zOIBaDqwuHdLp0jvZXjw==
+
 handle-thing@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
@@ -9123,6 +9166,13 @@ macaddress@^0.2.8:
   resolved "https://registry.yarnpkg.com/macaddress/-/macaddress-0.2.9.tgz#3579b8b9acd5b96b4553abf0f394185a86813cb3"
   integrity sha512-k4F1JUof6cQXxNFzx3thLby4oJzXTXQueAOOts944Vqizn+Rjc2QNFenT9FJSLU1CH3PmrHRSyZs2E+Cqw+P2w==
 
+magic-string@^0.25.1:
+  version "0.25.7"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.7.tgz#3f497d6fd34c669c6798dcb821f2ef31f5445051"
+  integrity sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==
+  dependencies:
+    sourcemap-codec "^1.4.4"
+
 make-dir@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.1.0.tgz#19b4369fe48c116f53c2af95ad102c0e39e85d51"
@@ -11681,6 +11731,11 @@ pretty-hrtime@^1.0.3:
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
   integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
 
+prism-react-renderer@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/prism-react-renderer/-/prism-react-renderer-1.0.2.tgz#3bb9a6a42f76fc049b03266298c7068fdd4b7ea9"
+  integrity sha512-0++pJyRfu4v2OxI/Us/5RLui9ESDkTiLkVCtKuPZYdpB8UQWJpnJQhPrWab053XtsKW3oM0sD69uJ6N9exm1Ag==
+
 private@^0.1.6, private@^0.1.8, private@~0.1.5:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
@@ -12118,6 +12173,20 @@ react-lifecycles-compat@^3.0.0, react-lifecycles-compat@^3.0.4:
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"
   integrity sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA==
 
+react-live@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/react-live/-/react-live-2.2.2.tgz#834edf1c11204e49fa7468166316b2e70da1a6b0"
+  integrity sha512-kJYAzKnPsR4oXleAX9lLsJA330BhTmSWHhr3ienZA2E/0eFDRodGl3I7sge8pp1vjc2K5Aaz73KpFUnV7Lq/DQ==
+  dependencies:
+    buble "0.19.6"
+    core-js "^2.4.1"
+    create-react-context "0.2.2"
+    dom-iterator "^1.0.0"
+    prism-react-renderer "^1.0.1"
+    prop-types "^15.5.8"
+    react-simple-code-editor "^0.10.0"
+    unescape "^1.0.1"
+
 react-reconciler@^0.22.1:
   version "0.22.2"
   resolved "https://registry.yarnpkg.com/react-reconciler/-/react-reconciler-0.22.2.tgz#e8a10374fec8fee7c5cd0cf3cd05626f1b134d3e"
@@ -12172,6 +12241,11 @@ react-router@^3.2.5:
     react-is "^16.8.6"
     warning "^3.0.0"
 
+react-simple-code-editor@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/react-simple-code-editor/-/react-simple-code-editor-0.10.0.tgz#73e7ac550a928069715482aeb33ccba36efe2373"
+  integrity sha512-bL5W5mAxSW6+cLwqqVWY47Silqgy2DKDTR4hDBrLrUqC5BXc29YVx17l2IZk5v36VcDEq1Bszu2oHm1qBwKqBA==
+
 react-spring@^8.0.8:
   version "8.0.27"
   resolved "https://registry.yarnpkg.com/react-spring/-/react-spring-8.0.27.tgz#97d4dee677f41e0b2adcb696f3839680a3aa356a"
@@ -12525,6 +12599,13 @@ regenerate-unicode-properties@^8.1.0:
   dependencies:
     regenerate "^1.4.0"
 
+regenerate-unicode-properties@^8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.2.0.tgz#e5de7111d655e7ba60c057dbe9ff37c87e65cdec"
+  integrity sha512-F9DjY1vKLo/tPePDycuH3dn9H1OTPIkVD9Kz4LODu+F2C75mgjAJ7x/gwy6ZcSNRAAkhNlJSOHRe8k3p+K9WhA==
+  dependencies:
+    regenerate "^1.4.0"
+
 regenerate@^1.2.1:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
@@ -12588,6 +12669,18 @@ regexpu-core@^1.0.0:
     regjsgen "^0.2.0"
     regjsparser "^0.1.4"
 
+regexpu-core@^4.2.0:
+  version "4.7.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-4.7.0.tgz#fcbf458c50431b0bb7b45d6967b8192d91f3d938"
+  integrity sha512-TQ4KXRnIn6tz6tjnrXEkD/sshygKH/j5KzK86X8MkeHyZ8qst/LZ89j3X4/8HEIfHANTFIP/AbXakeRhWIl5YQ==
+  dependencies:
+    regenerate "^1.4.0"
+    regenerate-unicode-properties "^8.2.0"
+    regjsgen "^0.5.1"
+    regjsparser "^0.6.4"
+    unicode-match-property-ecmascript "^1.0.4"
+    unicode-match-property-value-ecmascript "^1.2.0"
+
 regexpu-core@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-4.6.0.tgz#2037c18b327cfce8a6fea2a4ec441f2432afb8b6"
@@ -12620,7 +12713,7 @@ regjsgen@^0.2.0:
   resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
   integrity sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=
 
-regjsgen@^0.5.0:
+regjsgen@^0.5.0, regjsgen@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.5.1.tgz#48f0bf1a5ea205196929c0d9798b42d1ed98443c"
   integrity sha512-5qxzGZjDs9w4tzT3TPhCJqWdCc3RLYwy9J2NB0nm5Lz+S273lvWcpjaTGHsT1dc6Hhfq41uSEOw8wBmxrKOuyg==
@@ -12639,6 +12732,13 @@ regjsparser@^0.6.0:
   dependencies:
     jsesc "~0.5.0"
 
+regjsparser@^0.6.4:
+  version "0.6.4"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.6.4.tgz#a769f8684308401a66e9b529d2436ff4d0666272"
+  integrity sha512-64O87/dPDgfk8/RQqC4gkZoGyyWFIEUTTh80CU6CWuK5vkCGyekIx+oKcEIYtP/RAxSQltCZHCNu/mdd7fqlJw==
+  dependencies:
+    jsesc "~0.5.0"
+
 relateurl@0.2.x:
   version "0.2.7"
   resolved "https://registry.yarnpkg.com/relateurl/-/relateurl-0.2.7.tgz#54dbf377e51440aca90a4cd274600d3ff2d888a9"
@@ -13600,6 +13700,11 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+sourcemap-codec@^1.4.4:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz#ea804bd94857402e6992d05a38ef1ae35a9ab4c4"
+  integrity sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==
+
 spawn-sync@^1.0.15:
   version "1.0.15"
   resolved "https://registry.yarnpkg.com/spawn-sync/-/spawn-sync-1.0.15.tgz#b00799557eb7fb0c8376c29d44e8a1ea67e57476"
@@ -14602,6 +14707,13 @@ underscore@~1.4.4:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.4.4.tgz#61a6a32010622afa07963bf325203cf12239d604"
   integrity sha1-YaajIBBiKvoHljvzJSA88SI51gQ=
 
+unescape@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/unescape/-/unescape-1.0.1.tgz#956e430f61cad8a4d57d82c518f5e6cc5d0dda96"
+  integrity sha512-O0+af1Gs50lyH1nUu3ZyYS1cRh01Q/kUKatTOkSs7jukXE6/NebucDVxyiDsA9AQ4JC1V1jUH9EO8JX2nMDgGQ==
+  dependencies:
+    extend-shallow "^2.0.1"
+
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz#2619800c4c825800efdd8343af7dd9933cbe2818"
@@ -14620,6 +14732,11 @@ unicode-match-property-value-ecmascript@^1.1.0:
   resolved "https://registry.yarnpkg.com/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.1.0.tgz#5b4b426e08d13a80365e0d657ac7a6c1ec46a277"
   integrity sha512-hDTHvaBk3RmFzvSl0UVrUmC3PuW9wKVnpoUDYH0JDkSIovzw+J5viQmeYHxVSBptubnr7PbH2e0fnpDRQnQl5g==
 
+unicode-match-property-value-ecmascript@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.2.0.tgz#0d91f600eeeb3096aa962b1d6fc88876e64ea531"
+  integrity sha512-wjuQHGQVofmSJv1uVISKLE5zO2rNGzM/KCYZch/QQvez7C1hUhBIuZ701fYXExuufJFMPhv2SyL8CyoIfMLbIQ==
+
 unicode-property-aliases-ecmascript@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.0.4.tgz#5a533f31b4317ea76f17d807fa0d116546111dd0"
@@ -14957,6 +15074,11 @@ vinyl@^2.0.1:
     remove-trailing-separator "^1.0.1"
     replace-ext "^1.0.0"
 
+vlq@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/vlq/-/vlq-1.0.1.tgz#c003f6e7c0b4c1edd623fd6ee50bbc0d6a1de468"
+  integrity sha512-gQpnTgkubC6hQgdIcRdYGDSDc+SaujOdyesZQMv6JlfQee/9Mp0Qhnys6WxDWvQnL5WZdT7o2Ul187aSt0Rq+w==
+
 vm-browserify@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"