✨ Post new fab

lib/screens/post/post_editor.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+
+class PostEditorScreen extends StatelessWidget {
+  const PostEditorScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const Placeholder();
+  }
+}