Android Support (#166)

1. Add vpnservice tauri plugin for android.
2. add workflow for android.
3. Easytier Core support android, allow set tun fd.

easytier-gui/vite.config.ts

@@ -87,10 +87,15 @@ export default defineConfig(async () => ({
   // 2. tauri expects a fixed port, fail if that port is not available
   server: {
     port: 1420,
+    host: '10.147.223.128',
     strictPort: true,
     watch: {
       // 3. tell vite to ignore watching `src-tauri`
       ignored: ['**/src-tauri/**'],
     },
+    hmr: {
+      host: "10.147.223.128",
+      protocol: "ws",
+    },
   },
 }))