## Description:
Show bonus amount on currency packs
- Add `bonusAmount` field to `PackSchema` (non-negative int)
- Render a rotated green corner ribbon (`+X FREE!`) on pack tiles when
`bonusAmount > 0`
- Add `cosmetics.free` translation key with `numFree` param
<img width="720" height="359" alt="Screenshot 2026-05-12 at 7 40 12 AM"
src="https://github.com/user-attachments/assets/3dd70fc4-c922-47f4-aee6-055047b58563"
/>
Describe the PR.
## Please complete the following:
- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
## Please put your Discord username so you can be contacted if a bug or
regression is found:
evan