Add documentation for the Sidetiq config accessors.
Add documentation for the Sidetiq config accessors.

endofunky/sidetiq,kickserv/sidetiq,b1tw1se/sidetiq,sfroehler/sidetiq,akhiln/sidetiq,danilogcarolino/sidetiq,danilogcarolino/sidetiq,talentpad/sidetiq,tobiassvn/sidetiq,PaulMest/sidetiq,brennovich/sidetiq,atpay/sidetiq,stanchan/sidetiq,grzlus/sidetiq,flowerett/sidetiq,akhiln/sidetiq,grzlus/sidetiq,tobiassvn/sidetiq,PaulMest/sidetiq,vayu-technology/sidetiq,vayu-technology/sidetiq,slategroup/sidetiq,b1tw1se/sidetiq,flowerett/sidetiq,atpay/sidetiq,talentpad/sidetiq,rjocoleman/sidetiq,endofunky/sidetiq,tomoyuki-yanagisawa/sidetiq-mod,Altonymous/sidetiq,sfroehler/sidetiq,kickserv/sidetiq,tomoyuki-yanagisawa/sidetiq-mod,rjocoleman/sidetiq,brennovich/sidetiq,stanchan/sidetiq,slategroup/sidetiq