perf: entrypoint from 261kb to 219kb

package.json

@@ -88,9 +88,11 @@
     "less": "^3.11.1",
     "less-loader": "^6.0.0",
     "lint-staged": "^10.2.2",
+    "mini-css-extract-plugin": "^1.3.9",
     "multiparty": "^4.2.2",
     "nodemon": "^2.0.6",
     "nyc": "^15.1.0",
+    "optimize-css-assets-webpack-plugin": "^5.0.4",
     "postcss-loader": "^3.0.0",
     "prepend-file": "^2.0.0",
     "prettier": "^2.0.5",
@@ -99,6 +101,7 @@
     "ts-jest": "^25.4.0",
     "ts-loader": "^7.0.2",
     "typescript": "^4.0.3",
+    "uglifyjs-webpack-plugin": "^2.2.0",
     "url-loader": "^4.1.0",
     "webpack": "^4.43.0",
     "webpack-bundle-analyzer": "^3.9.0",
@@ -107,7 +110,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@babel/runtime-corejs3": "^7.11.2"
+    "@babel/runtime-corejs3": "^7.11.2",
+    "tslib": "^2.1.0"
   },
   "husky": {
     "hooks": {