Create a contributing.md

[Daniel15568]

Add a code of code and contributing md

[rahulthakur3510]

Hi @Daniel15568, I’d like to work on this issue.

Just to confirm, should the contribution include both CONTRIBUTING.md and CODE_OF_CONDUCT.md, as suggested by the issue description, or only CONTRIBUTING.md as mentioned in the title?

[rahulthakur3510]

"Hey! I've addressed this in PR #28 "