feat: 新增系统托盘功能与关闭确认对话框

- 新增系统托盘图标及菜单，支持显示窗口、启动/停止穿透、退出应用
- 点击窗口关闭按钮或使用系统关闭快捷键时，弹出确认对话框，可选择最小化到托盘或直接退出
- 托盘菜单随语言切换同步更新，且根据穿透运行状态自动启用/禁用对应选项
- 升级应用版本至v1.1.0，添加Tauri tray-icon特性及相关权限配置

src/i18n/locales/en-US.json

@@ -28,6 +28,19 @@
     "download": "Download frpc",
     "setting": "Settings"
   },
+  "tray": {
+    "show": "Show window",
+    "start": "Start tunnel",
+    "stop": "Stop tunnel",
+    "quit": "Quit"
+  },
+  "closeDialog": {
+    "title": "Close Frpilot",
+    "tray": "Minimize to system tray",
+    "trayDesc": "Keep Frpilot running in the background; reopen it from the system tray",
+    "exit": "Quit directly",
+    "exitDesc": "Stop the tunnel and exit Frpilot completely"
+  },
   "system": {
     "cpu": "CPU usage",
     "memory": "Memory usage",