Add standard for deep section levels in package template docs
Add standard for deep section levels in package template docs

lpsinger/astropy,AustereCuriosity/astropy,saimn/astropy,tbabej/astropy,stargaser/astropy,kelle/astropy,saimn/astropy,kelle/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,tbabej/astropy,funbaker/astropy,larrybradley/astropy,kelle/astropy,mhvk/astropy,AustereCuriosity/astropy,dhomeier/astropy,joergdietrich/astropy,astropy/astropy,dhomeier/astropy,AustereCuriosity/astropy,pllim/astropy,bsipocz/astropy,tbabej/astropy,pllim/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,astropy/astropy,larrybradley/astropy,StuartLittlefair/astropy,funbaker/astropy,lpsinger/astropy,DougBurke/astropy,stargaser/astropy,StuartLittlefair/astropy,AustereCuriosity/astropy,MSeifert04/astropy,joergdietrich/astropy,mhvk/astropy,MSeifert04/astropy,MSeifert04/astropy,stargaser/astropy,dhomeier/astropy,lpsinger/astropy,kelle/astropy,mhvk/astropy,larrybradley/astropy,bsipocz/astropy,AustereCuriosity/astropy,saimn/astropy,funbaker/astropy,mhvk/astropy,larrybradley/astropy,funbaker/astropy,saimn/astropy,joergdietrich/astropy,astropy/astropy,aleksandr-bakanov/astropy,tbabej/astropy,dhomeier/astropy,DougBurke/astropy,astropy/astropy,saimn/astropy,aleksandr-bakanov/astropy,pllim/astropy,StuartLittlefair/astropy,bsipocz/astropy,dhomeier/astropy,StuartLittlefair/astropy,joergdietrich/astropy,pllim/astropy,tbabej/astropy,joergdietrich/astropy,DougBurke/astropy,pllim/astropy,lpsinger/astropy,stargaser/astropy,bsipocz/astropy,lpsinger/astropy,larrybradley/astropy,DougBurke/astropy,astropy/astropy,mhvk/astropy,kelle/astropy