How to create a pull request
From Wasya Wiki
To create a pull request:
1. You should have *forked* the repo from wasya-co into your own account, for example: https://github.com/ruwanb/wasya_co_wp_theme
2. go to pull requests, click the button "new pull request". For example: https://github.com/wasya-co/wasya_co_wp_theme/compare/2.0.3...ruwanb:wasya_co_wp_theme:2.0.3
The pull request should have been created.