feat: Migrate markdown editor to MDXEditor

package.json

@@ -16,6 +16,7 @@
     "@dnd-kit/utilities": "^3.2.2",
     "@hookform/resolvers": "^3.10.0",
     "@marsidev/react-turnstile": "^1.3.1",
+    "@mdxeditor/editor": "^3.47.0",
     "@novu/react": "^3.10.1",
     "@radix-ui/react-accordion": "^1.2.11",
     "@radix-ui/react-alert-dialog": "^1.1.14",
@@ -47,8 +48,6 @@
     "@supabase/supabase-js": "^2.57.4",
     "@tanstack/react-query": "^5.83.0",
     "@tanstack/react-query-devtools": "^5.90.2",
-    "@uiw/react-markdown-preview": "^5.1.5",
-    "@uiw/react-md-editor": "^4.0.8",
     "@uppy/core": "^5.0.2",
     "@uppy/dashboard": "^5.0.2",
     "@uppy/image-editor": "^4.0.1",