Add notes on `minify` & `output` deprecation.
Add notes on `minify` & `output` deprecation.

lalomartins/brunch,rlugojr/brunch,hellyeahllc/brunch,justinwoo/brunch,kidaa/brunch,Flaise/brunch,PeterDaveHello/brunch,brunch/brunch,ondreian/brunch,hayesgm/brunch