chore: move docs-util to www (#7232)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

* move docs-util to www

* remove remaining docs-util

* fixes of paths

* fix scripts

* path fixes

* fix github actions

* add build packages script

www/utils/packages/utils/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../../tsconfig",
+  "compilerOptions": {
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "declaration": true,
+    "declarationMap": true,
+    "esModuleInterop": true
+  },
+  "include": ["src"]
+}