This pull request adds support for two new macOS applications, Calibre
and Dash, to the maintained apps system. The changes include the
necessary metadata, installation and uninstallation scripts, and icon
assets, as well as updates to the main app listing.
**New Application Support**
* Added input metadata for Calibre in `homebrew/calibre.json`, including
identifiers, installer format, and categories.
* Added input metadata for Dash in `homebrew/dash.json`, including
identifiers, installer format, and categories.
**App Catalog Updates**
* Updated `outputs/apps.json` to include Calibre with a description and
identifiers.
* Updated `outputs/apps.json` to include Dash with a description and
identifiers.
**Installer and Uninstaller Scripts**
* Added versioned output and install/uninstall scripts for Calibre in
`outputs/calibre/darwin.json`.
* Added versioned output and install/uninstall scripts for Dash in
`outputs/dash/darwin.json`.
**Frontend Icon Assets**
* Added a new React SVG icon component for Calibre in `Calibre.tsx`.
