Update to firebase_storage 8.0.0 and null safety#30

Merged

mattreid1 merged 2 commits intomattreid1:masterfrom CodeAtlas:feature/firebase_storage_8

Mar 9, 2021

+84-112

Commits on Mar 4, 2021

Update to firebase_storage 8.0.0 and null safety
thearaks
committed

Commits on Mar 8, 2021

Finalize code migration
thearaks
committed