refactor

.env.example

@@ -0,0 +1,12 @@
+# Environment Variables Example for Game Timer Application
+# Copy this file to .env and fill in your own values
+
+# Public VAPID key for push notifications
+# Generate your own VAPID keys for production: 
+# https://github.com/web-push-libs/web-push#generatevapidkeys
+PUBLIC_VAPID_KEY=your_public_vapid_key_here
+
+# Backend URL for your push notification server
+BACKEND_URL=https://your-push-server.example.com
+
+# Other environment variables can be added here