chore: add devpost link to readme

chore: update readme

chore: update readme

chore: update readme

refactor: rename utils folder to stations

feat: station d

Stations B and C

feat: station A

feat: ultrasonic

feat: implement moveTank and refactor followLine to use it

feat: add device constructor

feat: implement arm code

chore: rename member vars with trailing underscore

feat: create chassis class

update gitignore