Prompt users to try auto-correct

[chao2zhang]

Expected Behavior

When there are detected issues that are auto correctible, prompt the users to try -F.
I got questions from multiple devs who are new to Kotlin. They didn't know this option exists and always seem to not understand specific rule violations. For example, we came to this stackoverflow question when trying to understand how to fix FinalNewLine.

Current Behavior

The current cli only reports those detected issues.

Additional information

• Current version of ktlint: 0.40.0

[shashachu]

@chao2zhang just to clarify - this would be some text output that suggests re-running with -F? or it will actually do a yes/no prompt and re-run?

[chao2zhang]

It would be great if we achieve the latter "interactively asking the user", although that requires more technical effort.

[paul-dingemans]

It would be great if we achieve the latter "interactively asking the user", although that requires more technical effort.

Interactive prompting is nice but not a feature which is requested a lot. For now, just start with a prompt to promote the use of --format when applicable.