docs: redesign table of content (#12647)

* implement toc

* added to projects

* fixes and adapt for references

* added product frontmatter

* remove action menu from 404 pages

www/packages/remark-rehype-plugins/package.json

@@ -30,9 +30,11 @@
   "dependencies": {
     "@cloudinary/url-gen": "^1.17.0",
     "docs-utils": "*",
+    "slugify": "^1.6.6",
     "unified": "^11.0.4",
     "unist-builder": "3.0.0",
-    "unist-util-visit": "4.1.2"
+    "unist-util-visit": "4.1.2",
+    "vfile-matter": "^5.0.1"
   },
   "devDependencies": {
     "@types/node": "^20.11.20",