feat: anchor links (#1765)

* feat: add heading extension with unique ID support and scroll functionality
* Added unique id for heading
* remove baseUrl heading storage
* move heading to extensions package
* WIP
* support anchors in mentions
* enhance scrolling functionality
* nodeId function
* fix nanoid import
* Bring unique-id extension local
* fixes
* fix internal link scroll in public pages
* add unique id server side
* rename mention anchor to anchorId
* capture first anchorId on paste

---------

Co-authored-by: Romik <40670677+RomikMakavana@users.noreply.github.com>

apps/client/src/features/editor/title-editor.tsx

@@ -104,7 +104,10 @@ export function TitleEditor({
   });
 
   useEffect(() => {
-    const pageSlug = buildPageUrl(spaceSlug, slugId, title);
+    const anchorId = window.location.hash
+      ? window.location.hash.substring(1)
+      : undefined;
+    const pageSlug = buildPageUrl(spaceSlug, slugId, title, anchorId);
     navigate(pageSlug, { replace: true });
   }, [title]);