feat: production-ready dashboard with proper auth persistence

- Add dashboard UI showing connection status, webhooks, and email config
- Fix FileAPL to use fileName param for persistent /data volume storage
- Configure production domains and webhooks
- Add dev tunnel script for local testing
- Update Dockerfile and build config for K3s deployment

The app is now successfully installed and running at:
https://core-extensions.manoonoils.com

next.config.ts

@@ -3,6 +3,7 @@ import { NextConfig } from "next";
 
 const config: NextConfig = {
   reactStrictMode: true,
+  output: 'standalone',
   typescript: {
     // Allow build to succeed even with type errors
     ignoreBuildErrors: true,