setup electron app for production

js/vite.preload.config.ts

@@ -1,4 +1,7 @@
 import { defineConfig } from 'vite';
+import { defineEnv } from './vite.env';
 
 // https://vitejs.dev/config
-export default defineConfig({});
+export default defineConfig({
+  define: defineEnv,
+});