Only generate service worker for non-dev
Only generate service worker for non-dev

DestinyItemManager/DIM,chrisfried/DIM,delphiactual/DIM,delphiactual/DIM,bhollis/DIM,bhollis/DIM,DestinyItemManager/DIM,chrisfried/DIM,bhollis/DIM,delphiactual/DIM,DestinyItemManager/DIM,chrisfried/DIM,delphiactual/DIM,chrisfried/DIM,DestinyItemManager/DIM,bhollis/DIM