🎉 Add BatFi

[pchmykh]

🪩 Provide a link to the proposed addition

https://micropixels.software/apps/batfi
https://github.com/rurza/BatFi
https://micropixels.gumroad.com/l/batfi

😳 Explain why it should be added

Battery management tool, alternative to Aldente, pay-what-you-want for personal use, better visuals that aldente (at least more aligned to default battery menubar entry).

📖 Additional context

🧨 Issue Checklist

• I have checked for other similar issues
• I have explained why this change is important
• I have added necessary documentation (if appropriate)