Remove old example map config
Store the map image in the MapMaker class level
Store the drawing object in the MapMaker class level.
Extract landmark drawing into it's own method.
Extract a load_image method for reusability.
Move point translation into the config.
Implement a road drawing decoration.
Add config for decorations.
Add a dirt and stone road images.
Fix deco line drawing section names from config.
Update readme with decoration info.