feat(ui): add export and import features functionality

- Introduced new routes for exporting and importing features, enhancing project management capabilities.
- Added UI components for export and import dialogs, allowing users to easily manage feature data.
- Updated HTTP API client to support export and import operations with appropriate options and responses.
- Enhanced board view with controls for triggering export and import actions, improving user experience.
- Defined new types for feature export and import, ensuring type safety and clarity in data handling.

apps/server/package.json

@@ -40,7 +40,8 @@
     "express": "5.2.1",
     "morgan": "1.10.1",
     "node-pty": "1.1.0-beta41",
-    "ws": "8.18.3"
+    "ws": "8.18.3",
+    "yaml": "2.7.0"
   },
   "devDependencies": {
     "@types/cookie": "0.6.0",