feat: SAM integration, deployment scripts, and audio response enhancements

- Add SAM (Sistema de Administración Académica) integration with sync endpoints
- Add deployment automation (deploy.sh, remote-setup.sh, setup-nginx-ssl.sh)
- Add nginx proxy configuration for SSL with Let's Encrypt
- Add audio response support for student lessons (migrations, handlers)
- Add audio evaluations admin page
- Update CORS to support wildcard subdomains for norteamericano.cl
- Add comprehensive deployment documentation (DESPLIEGUE.md, ManualDeConfiguracion.md)
- Update docker-compose.yml with nginx-proxy and acme-companion services
- Remove outdated documentation files

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

.gitignore

@@ -33,3 +33,7 @@ yarn-debug.log*
 yarn-error.log*
 # --- Project-specific Development Keys ---
 services/lms-service/dev_keys/
+
+# --- SSH Keys ---
+*.pem
+ubuntu.pem