Merge pull request #1 from atowers-devs/next

Fixed a typo.
Merge pull request #2 from atowers-devs/next

Some updates on documentation.
Merge pull request #3 from atowers-devs/next

Added isometric_engine submodule.
Added castle.png
10x10 map and floaty movement.
Added some height to the level.
Implemented continuous input.
Pixel art image of a castle.
Castle Image Updated
Fix to make the submodules update to the latest commit.
No idea what im doing