Updated gitignore (didn't work for some reason)

Gitignore should *actually* ignore the workspace… not sure why it
wasn’t working before….
GridWorldLab04 - Featuring Bad Code™!

Just getting this out the door, so to speak.
The structure is horrible, no comments are present….
Look to some in the next commit!
Added GraphicsLab02
Optimized GridWorldLab04 Hourglass, added Triangle