feat: more feature implementations

package.json

@@ -43,14 +43,25 @@
   "dependencies": {
     "@libsql/client": "^0.4.0",
     "@monaco-editor/react": "^4.7.0",
+    "@tiptap/extension-image": "^3.19.0",
+    "@tiptap/extension-link": "^3.19.0",
+    "@tiptap/extension-placeholder": "^3.19.0",
+    "@tiptap/extension-underline": "^3.19.0",
+    "@tiptap/pm": "^3.19.0",
+    "@tiptap/react": "^3.19.0",
+    "@tiptap/starter-kit": "^3.19.0",
+    "@types/turndown": "^5.0.6",
     "date-fns": "^4.1.0",
     "drizzle-orm": "^0.29.0",
     "electron-store": "^8.1.0",
     "gray-matter": "^4.0.3",
+    "marked-react": "^3.0.2",
     "monaco-editor": "^0.55.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-hot-toast": "^2.6.0",
+    "sharp": "^0.34.5",
+    "turndown": "^7.2.2",
     "uuid": "^9.0.1",
     "zustand": "^4.4.7"
   },