[Build] feat: add reverse proxy configuration for clean domain access

## GitHub Update **Repository:** [MKWcorp/drwacademy-lms](https://github.com/MKWcorp/drwacademy-lms) **Author:** M K Wiro **Date:** 9/11/2025, 1:06:47 PM **Commit:** [`c67820e`](https://github.com/MKWcorp/drwacademy-lms/commit/c67820e8fc085c57a2f2a4f3fdc0358f7d297a64) ### Commit Message feat: add reverse proxy configuration for clean domain access - Update docker-compose to use port 9000 to avoid n8n conflict - Add server-nginx.conf for host-level reverse proxy - Add setup-domain-port80.sh for automated domain setup - Enable clean URL access: drwacademy.com (no port needed) - Support subdomain routing: n8n.drwacademy.com for automation - Nginx proxy handles SSL termination and load balancing --- _This story was imported from historical commits._