contribution.md

Follow these steps for making contrbutions to this repository

1. Fork this repo.
2. Make changes as per the issue and push it to your forked repo.
3. Generate a Pull request to the stg-dev branch .
4. Make separate Pull requests for each issue you solve .
5. Make sure to send all pull requests to the std-dev branch.
6. Do changes and again send pull request if you receive any reviews.