Add production SSH access skill for server management

Create comprehensive skill documentation for accessing and managing the Codante.io API production server at 216.238.103.47. Includes:
- Server information and configuration details
- SSH quick access commands
- Log access and monitoring
- Supervisor process management for Octane
- Common production tasks and troubleshooting
- Security considerations

The server runs Laravel Octane (RoadRunner on port 8089) managed by Supervisor, with nginx as the web server.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: robertotcestari