feat: initial JaniChat messenger — PWA, WebSocket, admin panel

frontend/vite.config.ts

@@ -0,0 +1,13 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    proxy: {
+      '/api': { target: 'http://localhost:3001', changeOrigin: true },
+      '/uploads': { target: 'http://localhost:3001', changeOrigin: true },
+      '/ws': { target: 'ws://localhost:3001', ws: true },
+    },
+  },
+});