Microbit battleship

I’m pretty much done with my microbit implementation of Battleship.

Some things of note:

• everything I could write without a microbit I did and tested quite a bit
• I haven’t been able to upload it to a pair of microbits because mu for some reason wasn’t playing ball and my paths don’t seem to let me use the terminal interface. If anyone does, please let me know if it works! Hopefully I’ll get to try it out later this week.
• I’m sad there’s no way to tell a specific pixel to flash while the others stay as they a