Update quickstart.md
Update quickstart.md

Made slightly less AWS-centric.
SachinKSingh28/adop-docker-compose,nickdgriffin/adop-docker-compose,nickdgriffin/adop-docker-compose,dsingh07/adop-docker-compose,SachinKSingh28/adop-docker-compose,SachinKSingh28/adop-docker-compose,kramos/adop-docker-compose,kramos/adop-docker-compose,nickdgriffin/adop-docker-compose,dsingh07/adop-docker-compose,kramos/adop-docker-compose,dsingh07/adop-docker-compose