Impliments:

• GET /admin/resources - Get system resource usage and container stats
• GET /admin/docker/list - List all Docker containers
• GET /admin/docker/{docker_id}/log - Get logs for a specific Docker container
• POST /admin/stopall - Stop all containers and clean up data
• POST /admin/stop/{ctf_id} - Stop containers for a specific CTF problem
• POST /admin/docker/stop/{docker_id} - Stop a specific Docker container
• GET /admin/ban/list - Get the list of banned team IDs
• POST /admin/ban/{team_id} - Ban a team by ID
• POST /admin/unban/{team_id} - Unban a team by ID

Removes old admin hash based authentication and run admin panel at port 8081

Schema changes:

• rename problem static field -> static_files
• added problem static_ctf field

can handle static ctf flags