replace: swap prosappweb content for prosapp_web_app (more complete version)

prosapp_web_app has chat, dashboard, calendar, support, 13 providers and
Fluro URL routing. Keep Dockerfile + nginx.conf from previous prosappweb.
Upgrade google_fonts 6.2.1 → 8.1.0 (Dart 3.12 compat fix).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/models/comment_entity.dart

@@ -0,0 +1,58 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+class CommentEntity {
+  final String authorId;
+  final String destinationId;
+  final String serviceId;
+  final String content;
+  final double score;
+  final bool isFromUser;
+  final Timestamp createdAt;
+
+  const CommentEntity({
+    required this.authorId,
+    required this.destinationId,
+    required this.serviceId,
+    required this.content,
+    required this.score,
+    required this.isFromUser,
+    required this.createdAt,
+  });
+
+  static CommentEntity fromDocument(Map<String, dynamic> doc) {
+    return CommentEntity(
+      authorId: doc['author_id'] as String,
+      destinationId: doc['destination_id'] as String,
+      serviceId: doc['service_id'] as String,
+      content: doc['content'] as String,
+      score: doc['score'] as double,
+      isFromUser: doc['is_from_user'] as bool,
+      createdAt: doc['created_at'] as Timestamp,
+    );
+  }
+
+  Map<String, dynamic> toDocument() {
+    return {
+      'author_id': authorId,
+      'destination_id': destinationId,
+      'service_id': serviceId,
+      'content': content,
+      'score': score,
+      'is_from_user': isFromUser,
+      'created_at': createdAt,
+    };
+  }
+
+  @override
+  String toString() {
+    return '''CommentEntity{
+      authorId: $authorId, 
+      destinationId: $destinationId, 
+      serviceId: $serviceId, 
+      content: $content, 
+      score: $score, 
+      isFromUser: $isFromUser, 
+      createdAt: $createdAt
+      }''';
+  }
+}