add/update documentation

[tempewda]

documentation needs to be added for uwu-fied in-built functions such as:
-pwint()
-inpwt()
also other changes like how pwint() distinguishes between " and ', and also how only "" is accepted by pwint() when pwinting strwings

[hyprex-deva]

I want work on this, Can you tell me how to get started as I am new to the project.
Thank you.

[Almas-Ali]

Hey, you can tryout this project https://github.com/radon-project/radon because this projects are not maintaining. We will move a language together. It's very exciting.

See you there.

@tempewda @hyprex-deva