Chore: add prerequisites checklist to PR template (#12790)
Chore: add prerequisites checklist to PR template (#12790)

* Chore: add prerequisites checklist to PR template

* Add friendly message at top

* Address feedback

whitneyit/eslint,Trott/eslint,platinumazure/eslint,pvamshi/eslint,pvamshi/eslint,DavidAnson/eslint,DavidAnson/eslint,whitneyit/eslint,eslint/eslint,eslint/eslint,platinumazure/eslint,Trott/eslint