Add very basic compiler instructions to README
Add very basic compiler instructions to README

gausie/opal,bbatsov/opal,iliabylich/opal,Mogztter/opal,jgaskins/opal,opal/opal,Flikofbluelight747/opal,c42engineering/opal,bbatsov/opal,suyesh/opal,catprintlabs/opal,opal/opal,jannishuebl/opal,kachick/opal,jannishuebl/opal,merongivian/opal,gausie/opal,wied03/opal,Ajedi32/opal,suyesh/opal,kachick/opal,Mogztter/opal,wied03/opal,Mogztter/opal,fazibear/opal,iliabylich/opal,c42engineering/opal,castwide/opal,iliabylich/opal,kachick/opal,gabrielrios/opal,castwide/opal,catprintlabs/opal,catprintlabs/opal,Mogztter/opal,suyesh/opal,domgetter/opal,gabrielrios/opal,fazibear/opal,bbatsov/opal,merongivian/opal,fazibear/opal,opal/opal,jannishuebl/opal,jgaskins/opal,Ajedi32/opal,gabrielrios/opal,domgetter/opal,wied03/opal,Ajedi32/opal,castwide/opal,merongivian/opal,c42engineering/opal,Flikofbluelight747/opal,Flikofbluelight747/opal,opal/opal,gausie/opal,kachick/opal,jgaskins/opal