Cleaned up code, implemented message queue to notify subscribers of document updates.

lib/features/documents/view/widgets/placeholder/text_placeholder.dart

@@ -0,0 +1,26 @@
+import 'dart:math';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:paperless_mobile/extensions/flutter_extensions.dart';
+
+class TextPlaceholder extends StatelessWidget {
+  final double length;
+  final double fontSize;
+
+  const TextPlaceholder({
+    super.key,
+    required this.length,
+    required this.fontSize,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Colors.white,
+      width: length,
+      height: fontSize,
+    );
+  }
+}