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/src/components/modal/InstallChartModal/ManifestDiff.tsx

@@ -1,10 +1,10 @@
 import { Diff2HtmlUI } from "diff2html/lib/ui/js/diff2html-ui-base";
 import hljs from "highlight.js/lib/core";
 import yaml from "highlight.js/lib/languages/yaml";
-
 import { useEffect, useRef } from "react";
-import Spinner from "../../Spinner";
+
 import { diffConfiguration } from "../../../utils";
+import Spinner from "../../Spinner";
 
 hljs.registerLanguage("yaml", yaml);