Implement simple threaded elevator control system (don't use this in production please).
(default run on port 4567)
User makes request to :floor in the :eid elevator
User makes request with direction :dir (either u for UP or d for DOWN) from :floor
See current overall status
- Elevator is not splay tree, save power
- Write unit tests
- Migrate to Kotlin coroutines
- Maintenance mode
- Write better todo