MVP with basic gameplay and map analysis logic

Bot features:
* Defeats Very Easy AI
* Can compete against itself
* Opening build order execution logic
* Map exploration

API features:
* Run 1vAI or 1v1 games
* Split map into regions
* Identify map bottlenecks (choke points)
* Detect expansion positions
* Generic StepMonad interface
* BFS pathfinding with early stopping support