Code in this project is not null safe

[j-vasil]

This project should be updated to eliminate the null safety warning that occurs at startup:

C:...Git\friendlyeats-flutter2>flutter run -d chrome --web-renderer html Launching lib\main.dart on Chrome in debug mode... Waiting for connection from debug service on Chrome... 31.1s Debug service listening on ws://127.0.0.1:57882/LNbNgnoYfAQ=/ws

Running with unsound null safety For more information see https://dart.dev/null-safety/unsound-null-safety

To hot restart changes while running, press "r" or "R". For a more detailed help message, press "h". To quit, press "q".

COMMIT ID of code: 6f7603c33f2ef0f7e37ff1730991e1982327aa6f