Update readme to include a sections on stubbing policy for view specs and external resources.
Update readme to include a sections on stubbing policy for view specs and external resources.

engineyard/pundit,ikhakoo/pundit,demiazz/pundit,elabs/pundit,yatmsu/pundit,xuwupeng2000/pundit,yakovenkodenis/pundit,jkgold/pundit,beanieboi/pundit,stefania11/pundit,sideci-sample/sideci-sample-pundit,rickypchen/pundit,maxcal/pundit,thewatts/pundit,olegantonyan/pundit,jackjennings/pundit,ram-krishan/pundit,selaromi/pundit,geekninja/pundit,justin808/pundit,AlexVPopov/pundit,idlweb/pundit,luisdaher/pundit,goodylabs/pundit