Feat/toc component (#33964)

* test fuma toc

* make toc work

* ok toc

* ui-patterns toc

* fix types

* cleanup

* fix overflow issues

* cleanup

* fix loading w

* Update apps/docs/components/GuidesTableOfContents.tsx

* fix prettier

* format

* install deps

* target ES2018

* tweak regex

* update docs test snapshots

* fix useSubscribeTocRerender

package.json

@@ -60,6 +60,13 @@
     "pnpm": ">=9",
     "node": ">=20"
   },
-  "keywords": ["postgres", "firebase", "storage", "functions", "database", "auth"],
+  "keywords": [
+    "postgres",
+    "firebase",
+    "storage",
+    "functions",
+    "database",
+    "auth"
+  ],
   "packageManager": "pnpm@9.15.5"
 }