Recognize mail as alternative to email

[pickfire]

📢 Type of change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates

📜 Description

Currently I do use mail: rather than email: locally, I think it would be good to have it as well.

💡 Motivation and Context

I used mail rather than email because it looks nice since both mail and user have 4 characters and it aligns together.

💚 How did you test it?

No

📝 Checklist

• I formatted the code ./gradlew spotlessApply
• I reviewed submitted code
• I added a CHANGELOG entry if applicable

🔮 Next steps

📸 Screenshots / GIFs

[fmeum]

Thanks, looks useful.

[msfjarvis]

Needs an addition to testGetUsername in format-common/src/test/kotlin/dev/msfjarvis/aps/data/passfile/PasswordEntryTest.kt