Add contributing.md to README.md

[satyampsoni]

Is your feature request related to a problem? Please describe.
I'm always frustrated when I have to go back and search for contributing.md when I need to contribute to a project.

Describe the solution you'd like
Add a section of contributing.md to Readme.md.

Describe alternatives you've considered
NA

Additional context
Nope, I would like add .

[HarikrishnanBalagopal]

We have one already https://github.com/konveyor/move2kube/blob/main/contributing.md

[satyampsoni]

Yeah I saw that I plan to add a section contributing.md at the end like this one

[HarikrishnanBalagopal]

@satyampsoni Thanks, you can submit a PR with the change you want to make.