Feature Request: Add auto-formatting for Java

[anthonydmays]

As an engineer, I want to automatically format Java files (either on save or before commit) so that I don't have to manually run the formatter every time I make code changes.

[zionbuch]

Is that why my checks failed for lesson_12 hw?

[anthonydmays]

Is that why my checks failed for lesson_12 hw?

That could be. Make sure to run ./gradlew spotlessApply manually to fix any formatting issues.