docs: fix infinite scroll, update next.js, other fixes (#9441)

* update nextjs

* badge + scroll fixes

www/packages/tsconfig/docusaurus.json

@@ -1,14 +0,0 @@
-{
-  "$schema": "https://json.schemastore.org/tsconfig",
-  "display": "Docusaurus",
-  "extends": "@docusaurus/tsconfig",
-  "compilerOptions": {
-    "jsx": "react",
-    "lib": [
-      "es2022",
-      "dom",
-      "dom.iterable"
-    ],
-    "allowJs": true
-  }
-}

www/packages/tsconfig/package.json

@@ -5,8 +5,5 @@
   "license": "MIT",
   "publishConfig": {
     "access": "public"
-  },
-  "dependencies": {
-    "@docusaurus/tsconfig": "latest"
   }
 }