Added homebrew notice
Added homebrew notice

HeavyWombat/spruce,HeavyWombat/spruce,geofffranks/spruce,jszroberto/spruce,HeavyWombat/spruce,thomasmmitchell/spruce,geofffranks/spruce,thomasmmitchell/spruce,thomasmmitchell/spruce,jszroberto/spruce,geofffranks/spruce,jszroberto/spruce