feat: add vite config file

frontend/vite.config.ts

@@ -10,3 +10,15 @@ export default defineConfig({
     outDir: 'dist',
   },
 });
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    port: 3000,
+  },
+  build: {
+    outDir: 'dist',
+  },
+});