Add a .meta/config.json file for all concepts found in the track's …

…`config.json` file containing:

- A `blurb` key, which value is copied from the `config.json` file and removed from the `config.json` file
- An `authors` key, the value of which is an empty array
- A `contributors` key, the value of which is an empty array

concepts/arrays/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for arrays concept",
+  "authors": [],
+  "contributors": []
+}

concepts/basics/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for basics concept",
+  "authors": [],
+  "contributors": []
+}

concepts/blocks/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for blocks concept",
+  "authors": [],
+  "contributors": []
+}

concepts/booleans/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for booleans concept",
+  "authors": [],
+  "contributors": []
+}

concepts/classes/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for classes concept",
+  "authors": [],
+  "contributors": []
+}

concepts/conditionals/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for conditionals concept",
+  "authors": [],
+  "contributors": []
+}

concepts/floating-point-numbers/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for floating-point-numbers concept",
+  "authors": [],
+  "contributors": []
+}

concepts/instance-variables/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for instance-variables concept",
+  "authors": [],
+  "contributors": []
+}

concepts/loops/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for loops concept",
+  "authors": [],
+  "contributors": []
+}

concepts/nil/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for nil concept",
+  "authors": [],
+  "contributors": []
+}

concepts/numbers/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for numbers concept",
+  "authors": [],
+  "contributors": []
+}

concepts/ostruct/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for ostruct concept",
+  "authors": [],
+  "contributors": []
+}

concepts/strings/.meta/config.json

@@ -0,0 +1,5 @@
+{
+  "blurb": "TODO: add blurb for strings concept",
+  "authors": [],
+  "contributors": []
+}

config.json

@@ -1502,80 +1502,67 @@
     {
       "uuid": "fa482f4a-19d6-4d13-ad9e-5121c536dc76",
       "slug": "ostruct",
-      "name": "Ostruct",
-      "blurb": "TODO: add blurb for ostruct concept"
+      "name": "Ostruct"
     },
     {
       "uuid": "7f2bf3a7-9771-48e8-bb6a-3022ca073a41",
       "slug": "arrays",
-      "name": "Arrays",
-      "blurb": "TODO: add blurb for arrays concept"
+      "name": "Arrays"
     },
     {
       "uuid": "fe345fe6-229b-4b4b-a489-4ed3b77a1d7e",
       "slug": "basics",
-      "name": "Basics",
-      "blurb": "TODO: add blurb for basics concept"
+      "name": "Basics"
     },
     {
       "uuid": "bf57350d-9e18-4ec6-9341-e4d2c289724d",
       "slug": "blocks",
-      "name": "Blocks",
-      "blurb": "TODO: add blurb for blocks concept"
+      "name": "Blocks"
     },
     {
       "uuid": "831b4db4-6b75-4a8d-a835-4c2555aacb61",
       "slug": "booleans",
-      "name": "Booleans",
-      "blurb": "TODO: add blurb for booleans concept"
+      "name": "Booleans"
     },
     {
       "uuid": "acec3b2a-c1cc-4583-bd4b-9f7ae41acfb3",
       "slug": "classes",
-      "name": "Classes",
-      "blurb": "TODO: add blurb for classes concept"
+      "name": "Classes"
     },
     {
       "uuid": "dedd9182-66b7-4fbc-bf4b-ba6603edbfca",
       "slug": "conditionals",
-      "name": "Conditionals",
-      "blurb": "TODO: add blurb for conditionals concept"
+      "name": "Conditionals"
     },
     {
       "uuid": "01d61b5c-8f50-4b12-9fe0-0723e6f00999",
       "slug": "floating-point-numbers",
-      "name": "Floating Point Numbers",
-      "blurb": "TODO: add blurb for floating-point-numbers concept"
+      "name": "Floating Point Numbers"
     },
     {
       "uuid": "35001ed1-a7b9-4a80-a766-26725a29dc50",
       "slug": "instance-variables",
-      "name": "Instance Variables",
-      "blurb": "TODO: add blurb for instance-variables concept"
+      "name": "Instance Variables"
     },
     {
       "uuid": "152d3976-dbcb-4a16-9f89-c61e0cdda4e5",
       "slug": "loops",
-      "name": "Loops",
-      "blurb": "TODO: add blurb for loops concept"
+      "name": "Loops"
     },
     {
       "uuid": "aa31cd95-54b2-4728-8fe3-2fdc244b3f53",
       "slug": "nil",
-      "name": "Nil",
-      "blurb": "TODO: add blurb for nil concept"
+      "name": "Nil"
     },
     {
       "uuid": "162721bd-3d64-43ff-889e-6fb2eac75709",
       "slug": "numbers",
-      "name": "Numbers",
-      "blurb": "TODO: add blurb for numbers concept"
+      "name": "Numbers"
     },
     {
       "uuid": "3b1da281-7099-4c93-a109-178fc9436d68",
       "slug": "strings",
-      "name": "Strings",
-      "blurb": "TODO: add blurb for strings concept"
+      "name": "Strings"
     }
   ],
   "key_features": [],