feat: Add Nanaxe server with Docker, GitHub Actions CI/CD, and auto-deployment

- Add complete server infrastructure with Gitea, API, PostgreSQL
- Implement Obsidian-compatible markdown mindmap converter
- Add Flutter service for server synchronization
- Configure GitHub Actions for automated build and deploy
- Add production docker-compose with health checks
- Include VPS setup and deployment scripts
- Add comprehensive deployment documentation

lib/screens/task_form_screen.dart

@@ -26,7 +26,7 @@ class _TaskFormScreenState extends ConsumerState<TaskFormScreen> {
   TaskPriority _priority = TaskPriority.medium;
   DateTime? _dueDate;
   int _estimatedHours = 0;
-  List<AlarmData> _alarms = [];
+  final List<AlarmData> _alarms = [];
   bool _isGenerating = false;
 
   @override
@@ -267,7 +267,7 @@ class _TaskFormScreenState extends ConsumerState<TaskFormScreen> {
 
             // Приоритет
             DropdownButtonFormField<TaskPriority>(
-              value: _priority,
+              initialValue: _priority,
               decoration: const InputDecoration(
                 labelText: 'Приоритет',
                 border: OutlineInputBorder(),