Updated README.md

Now includes instructions on how to run and install Math Island
adding game map
Merge branch 'master' of https://github.com/liam-middlebrook/math-island
adding all the tile
Merge remote-tracking branch 'origin/dgonyeo-engine'
adding the pngs
Redraw when changing starting fuel
Merge branch 'feature-player' of github.com:liam-middlebrook/math-island into feature-player
Merge branch 'feature-player' of github.com:liam-middlebrook/math-island into dgonyeo-engine
Added a background, moved the game map
Didn't export the background correctly
Moved the map slightly
Forgot to change a thing
Tried to add fuel, cleaned up a thing
Updated player pos for map offset
Merge remote-tracking branch 'origin/dgonyeo-engine' into feature-player
Fixed issue in player movement with checking win conditions
Revert "Fixed issue in player movement with checking win conditions"

This reverts commit 295c974d6d2886e0ff2a60916409b7060317b236.
Fixed player checking win condition
Updated background