Update development scripts and add macOS icon assets

- Renamed backend development script from `dev:backend` to `dev:server` for clarity.
- Added new macOS icon assets and configuration files for the application.
- Enhanced App component to improve server management during production and development modes.
- Updated ConnectionForm to reset state after successful submission and conditionally render the update button.
- Implemented database initialization on application startup in the backend.

tauri/src-tauri/tauri.conf.json

@@ -24,8 +24,12 @@
     ],
     "macOS": {
       "frameworks": [],
-      "minimumSystemVersion": "10.15"
-    }
+      "minimumSystemVersion": "11.0",
+      "infoPlist": "Info.plist"
+    },
+    "resources": [
+      "gen/**/*"
+    ]
   },
   "app": {
     "security": {