feat: implement VPN platform management and real protocol services

frontend/vite.config.js

@@ -0,0 +1,15 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+
+export default defineConfig({
+  plugins: [vue()],
+  server: {
+    port: 5173,
+    proxy: { '/api': 'http://localhost:8080' }
+  },
+  build: {
+    outDir: '../backend/dist',
+    emptyOutDir: true,
+    chunkSizeWarningLimit: 2000
+  }
+})