Do Flutter Create contest submissions have to be formatted
                   by dartfmt?

We can run dartfmt on our side. We believe code quality is
                primarily driven by good structure, rather than indentation.
                But of course, if the code is impenetrable to the judges even
                after running dartfmt, it may be challenging for them to score
                it well for code quality.

Can a team of people submit a single project?

A team of people can submit a single project, but the person
                submitting the project through our form should be authorized
                to submit the project on behalf of the entire team or entity,
                and a winning project from a team is only eligible for 1 prize.

Should we send just a .dart file or all the files as the
                   given size is 5 kb and all the files would be above 5 kb?

Please submit whatever it takes to build and run your application with
                `flutter run`.