Adds 43 Fleet-maintained app(s) whose cask token starts with 'D':
inputs, outputs, app icons (TSX + website PNG), and the matching
index.ts and apps.json entries.
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## Summary by CodeRabbit
* **New Features**
* Added support for 40+ new macOS applications (e.g., DaisyDisk,
Dangerzone, DarkModeBuddy, DataSpell, Deezer, DuckDuckGo, and many more)
so users can discover, install, update, and remove them via the
platform.
* Added application-specific installer/uninstaller behaviors to improve
safe installs and clean removals.
* Added UI icons for all newly supported applications for clearer visual
identification.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
