Introduced tsconfig.app.json and tsconfig.base.json + Refactored eslint.config.js to the latest structure (#652)

* Introduced tsconfig.app.json and tsconfig.base.json

* yarn.lock

* Introduced tsconfig.app.json, tsconfig.base.jsonfig.

* Refactored eslint.config.js to latest structure

* Returned previous recommended rules.

* More rules

* Force import rules

* Check

* Check

* Cleanup ESLint configuration and plugins

* Cleanup heap: "writable",DD_RUM: "writable" from ESLint configuration

* "scripts" moved to the top of package.json

frontend/tsconfig.node.json

@@ -1,11 +1,8 @@
 {
+  "extends": "./tsconfig.base.json",
   "compilerOptions": {
-    "composite": true,
-    "module": "ESNext",
-    "moduleResolution": "bundler",
-    "allowSyntheticDefaultImports": true,
-    "isolatedModules": true,
-    "strict": true
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext"
   },
   "include": ["vite.config.ts", "cypress.config.ts"]
 }