Update Contributors.md and fix some names
Update Contributors.md and fix some names

Some names were not shown properly because they had an space in between.
Abhishekchakru/first-contributions,RickHaan/first-contributions,RickHaan/first-contributions,FearTheFrail/first-contributions,dichaves/first-contributions,Abhishekchakru/first-contributions,Shhzdmrz/first-contributions,lauratavares/first-contributions,dichaves/first-contributions,FearTheFrail/first-contributions,lauratavares/first-contributions,Shhzdmrz/first-contributions