Adds 34 Fleet-maintained app(s) whose cask token starts with 'B':
inputs, outputs, app icons (TSX + website PNG), and the matching
index.ts and apps.json entries.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added 34 new applications to the platform including Background Music,
Balsamiq Wireframes, Bambu Studio, Bitwig Studio, BoltAI, and others.
* Added visual icons for all new applications.
* Expanded macOS application management with installer and uninstaller
support for each new app.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
