Migrate To Null Safety

[SamarpanCoder2002]

Need migrate to null safety

Is your feature request related to a problem? Please describe.

Now Flutter new project by default using with null safety. To use it in a broad manner with a large audience, we need to migrate it to null safety.

Describe the solution you'd like

Anybody can fork it, migrate to the null safety, and can send a pull request

Describe alternatives you've considered

Mentioned Above

Additional context

Null safety addition will be a good addition for current flutter projects

[bdlukaa]

I'm on it.

[dshukertjr]

Asked pub.dev team for help with this issue and got a nice answer dart-lang/pub-dev#5061 (comment)

For now, it seems like we would have to wait for this issue on Flutter to be resolved.
flutter/flutter#44937