Documentation for squashing commits (with interactive git rebase) guide added
Documentation for squashing commits (with interactive git rebase) guide added

FearTheFrail/first-contributions,lauratavares/first-contributions,FearTheFrail/first-contributions,Abhishekchakru/first-contributions,dichaves/first-contributions,Abhishekchakru/first-contributions,lauratavares/first-contributions,dichaves/first-contributions,RickHaan/first-contributions,RickHaan/first-contributions