Add gitignore
Add gitignore

yochannah/trafficuk,robforee/YA,firebase/quickstart-js,DaryaBeda/firebase_,robforee/YA,theGove/atlas,jmarantz/soccersub,uhntiss/quickstart-js,theGove/atlas,uhntiss/quickstart-js,knohyou/ExRx.net,jmarantz/soccersub,yochannah/trafficuk,DaryaBeda/firebase_,DES157/quickstart-js,uhntiss/quickstart-js,jmarantz/soccersub,robforee/YA,DES157/quickstart-js,firebase/quickstart-js,firebase/quickstart-js,knohyou/ExRx.net