Add requirements, ruff pre-commit hook and pytest config

[horrormyth]

No description provided.

[horrormyth]

Will add the guidelines in another PR

[sumanashrestha]

looks a bit overkill for a project with a single file and 200 LOC tbh.

will this add any additional steps for somebody trying to just run the code ?

[haruBlank00]

looks a bit overkill for a project with a single file and 200 LOC tbh.

will this add any additional steps for somebody trying to just run the code ?

No it won't add any additional steps to just run the code.
These are formatter and guides for contributors.
It will only effect the developers by making sure everyone share the same config since everyone might have their own config locally

[horrormyth]

Will add the guidelines in another PR

#32