feat(src): split main into multiple functions

Merge pull request #1 from Rutherther/add-docs

Add basic documentation

docs: add basic documentation

Adds a readme, with images of the product,
mapping of the pins to peripherals,
the readme contains a roadmap and
description of the hardware used.

fix(src): remove unnecessary import

chore: move .gitignore to root

chore(src): move source to source/ folder