Bigger maps for testing

[brean]

Add some big maps to test the algorithm & performance (based on https://harablog.wordpress.com/2011/09/07/jump-point-search/ )

• [ ] Baldurs gate (like)
• [ ] Adaptive Depth
• [ ] Rooms
• [ ] Generate mazes, that can be solved (with a python implementation of this: https://github.com/bestguy/generate-maze )