Changes
PR #1890 by ksylvan: Bundle yt-dlp with fabric in Nix flake, introduce slim variant
- Added yt-dlp bundling with fabric package and introduced fabric-slim variant
- Renamed original fabric package to fabricSlim and created new fabric package as symlinkJoin of fabricSlim and yt-dlp
- Added fabric-slim output for the slim variant and updated default package to point to bundled fabric
- Enhanced fabric meta description to note yt-dlp inclusion and set mainProgram to fabric in bundled package
- Added wrapper for fabric binary to include PATH in execution environment