wip: new composer

package.json

@@ -31,6 +31,7 @@
     "@radix-ui/react-dropdown-menu": "^2.0.6",
     "@radix-ui/react-hover-card": "^1.0.7",
     "@radix-ui/react-popover": "^1.0.7",
+    "@radix-ui/react-toolbar": "^1.0.4",
     "@radix-ui/react-tooltip": "^1.0.7",
     "@tanstack/react-query": "^4.36.1",
     "@tauri-apps/api": "2.0.0-alpha.8",
@@ -48,6 +49,7 @@
     "@tauri-apps/plugin-updater": "2.0.0-alpha.1",
     "@tauri-apps/plugin-upload": "2.0.0-alpha.1",
     "@tauri-apps/plugin-window": "2.0.0-alpha.1",
+    "@tiptap/extension-character-count": "^2.1.12",
     "@tiptap/extension-image": "^2.1.12",
     "@tiptap/extension-mention": "^2.1.12",
     "@tiptap/extension-placeholder": "^2.1.12",