Add panopticon task group
Add panopticon task group

Allow registration of the whitehall-frontend application and the
detailed guides therein in Panopticon.

YOTOV-LIMITED/whitehall,askl56/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,ggoral/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,alphagov/whitehall,ggoral/whitehall,alphagov/whitehall,hotvulcan/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,askl56/whitehall,askl56/whitehall,hotvulcan/whitehall,ggoral/whitehall,robinwhittleton/whitehall