Clarify dev workflow [docs only]
Clarify dev workflow [docs only]

pllim/astropy,lpsinger/astropy,MSeifert04/astropy,lpsinger/astropy,StuartLittlefair/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,saimn/astropy,astropy/astropy,pllim/astropy,lpsinger/astropy,pllim/astropy,saimn/astropy,saimn/astropy,pllim/astropy,pllim/astropy,StuartLittlefair/astropy,astropy/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,larrybradley/astropy,mhvk/astropy,dhomeier/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,stargaser/astropy,lpsinger/astropy,dhomeier/astropy,dhomeier/astropy,mhvk/astropy,MSeifert04/astropy,larrybradley/astropy,MSeifert04/astropy,stargaser/astropy,mhvk/astropy,lpsinger/astropy,larrybradley/astropy,astropy/astropy,mhvk/astropy,larrybradley/astropy,astropy/astropy,stargaser/astropy,dhomeier/astropy,saimn/astropy,aleksandr-bakanov/astropy,stargaser/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,saimn/astropy