The simple guide to contribute to open source

- Clone the repo you would like to contribute:
git clone https://github.com/aselims/frab.git

- Create a branch for the feature/issue you want to add/fix:
git checkout -b events_to_session

- Do your changes in the repo

- Commit & add
git commit -am "change event to session"

- Push your branch "with the changes"
git push origin events_to_session

- Go the github page and create a pull request and describe your change.

- Wait for merging :)

One Good Article: https://guides.github.com/activities/forking/