TIFE Core 2.3.0

- Converted the archive to a native TIFE package.
- Added package_type=tife and engine registration metadata.
- Added tife-package.json for TIFE-aware installers.
- Defined engines/tife as the installation target.
- Registered Colossal Cave Expedition as bundled TIFE content.
- Preserved Package Specification v1.4 publication metadata.
