```

feat: add collapsible block type and enhance paragraph menu UX

- Added CollapsibleBlockComponent with registration in block host and columns
- Enhanced paragraph block with inline "+" button for column layouts and improved menu positioning
- Updated toggle block to support creating new toggle blocks below with dedicated event handlers
- Improved menu styling with fixed positioning, keyboard navigation (arrows, Enter, Escape), and focus management
- Simplified inline action handling by deleg

vault/.obsidian/bookmarks.json

@@ -1,3 +1,16 @@
 {
-  "items": []
+  "items": [
+    {
+      "type": "file",
+      "path": "Allo-3/bruno.md",
+      "title": "bruno.md",
+      "ctime": 1763066387749
+    },
+    {
+      "type": "file",
+      "path": "tata/Les Compléments Alimentaires  Un Guide Général.md",
+      "title": "Les Compléments Alimentaires  Un Guide Général.md",
+      "ctime": 1763156633684
+    }
+  ]
 }