Add best practices in the readme

[shankarpriyank]

It would be really useful if we have a section in the readme which tells about the best practices to follow while contributing to this project.

[MahmoudDawood]

I'd love to work on this
I will add a Getting Started header to the README.md file including:

• Contribution guide
  Including best practices to start contributing.

[shankarpriyank]

Hi @MahmoudDawood , sorry for the late reply, please feel free to go ahead and create a pr