Add companion app

companion-app/vite.config.ts

@@ -0,0 +1,15 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 5181,
+    proxy: {
+      '/api': {
+        target: 'http://localhost:4174',
+        changeOrigin: true
+      }
+    }
+  }
+});