get rid of the react-scripts dependency

services/idp/package.json

@@ -85,12 +85,12 @@
     "kpop": "https://download.kopano.io/community/kapp:/kpop-2.2.0.tgz",
     "query-string": "^7.1.1",
     "react": "^17.0.2",
+    "react-app-polyfill": "^2.0.0",
     "react-dom": "^17.0.2",
     "react-i18next": "^11.15.6",
     "react-redux": "^7.2.5",
     "react-router": "^5.2.1",
     "react-router-dom": "5.2.1",
-    "react-scripts": "4.0.3",
     "redux": "^3.7.2",
     "redux-logger": "^3.0.6",
     "redux-thunk": "^2.2.0",
@@ -99,16 +99,52 @@
     "web-vitals": "^1.0.1"
   },
   "devDependencies": {
+    "@babel/core": "7.12.3",
+    "@typescript-eslint/eslint-plugin": "^4.5.0",
+    "@typescript-eslint/parser": "^4.5.0",
+    "babel-eslint": "^10.1.0",
     "babel-loader": "8.1.0",
     "babel-plugin-named-asset-import": "^0.3.8",
+    "babel-preset-react-app": "^10.0.0",
+    "case-sensitive-paths-webpack-plugin": "2.3.0",
     "cldr": "^7.1.1",
+    "css-loader": "4.3.0",
+    "dotenv": "8.2.0",
+    "dotenv-expand": "5.1.0",
+    "eslint": "^7.11.0",
+    "eslint-config-react-app": "^6.0.0",
     "eslint-loader": "^4.0.2",
+    "eslint-plugin-flowtype": "^5.2.0",
     "eslint-plugin-i18next": "^5.1.2",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-jest": "^24.1.0",
+    "eslint-plugin-jsx-a11y": "^6.3.1",
+    "eslint-plugin-react": "^7.21.5",
+    "eslint-plugin-react-hooks": "^4.2.0",
+    "eslint-plugin-testing-library": "^3.9.2",
+    "eslint-webpack-plugin": "^2.5.2",
+    "file-loader": "6.1.1",
+    "html-webpack-plugin": "4.5.0",
     "i18next-conv": "^12.1.0",
     "i18next-parser": "^5.4.0",
     "license-checker-rseidelsohn": "^3.1.0",
+    "mini-css-extract-plugin": "0.11.3",
+    "optimize-css-assets-webpack-plugin": "5.0.4",
+    "pnp-webpack-plugin": "1.6.4",
+    "postcss-flexbugs-fixes": "4.2.1",
+    "postcss-loader": "3.0.0",
+    "postcss-normalize": "8.0.1",
+    "postcss-preset-env": "6.7.0",
+    "postcss-safe-parser": "5.0.2",
+    "react-dev-utils": "^11.0.3",
+    "resolve": "1.18.1",
+    "resolve-url-loader": "^3.1.2",
+    "sass-loader": "^10.0.5",
     "source-map-explorer": "^1.8.0",
+    "url-loader": "4.1.1",
+    "webpack": "4.44.2",
     "webpack-manifest-plugin": "4.1.1",
+    "workbox-webpack-plugin": "5.1.4",
     "yarn-deduplicate": "^1.1.1"
   }
 }