feat: add alert management functionality in NotificationSettingsModal and implement stacks API endpoint

backend/package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "build": "tsc",
     "start": "node dist/index.js",
-    "dev": "nodemon --exec ts-node src/index.ts",
+    "dev": "nodemon --watch src --ext ts,json --exec ts-node src/index.ts",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],
@@ -42,4 +42,4 @@
     "ws": "^8.19.0",
     "yaml": "^2.8.2"
   }
-}
+}