Create slime_red.png
Delete slime_red.png
Added Red Slime

I don’t know if we need it, but if we do, it is here. You can delete
the file if it is useless to us at the moment.
Added Sapphire Slime

I made the red slime and Will wanted a sapphire slime. You can delete
this if needed.
Merge pull request #2 from laxattack1226/master

Added Slimes