feat: Decode com.apple.ResourceFork extended attributes #771

[erwinvaneijk]

~/src/rust/eza/target/debug/eza -l@
drwx------     - rminsk 26 Nov  2023 com.apple.launchd.U5S1fYnhl5
.rw-r--r--@    0 rminsk  7 Jan 23:15 has_icon
                                     ├── com.apple.FinderInfo: "\0\0\0\0\0\0\0\0\u{4}"
                                     ├── com.apple.ResourceFork: <[{"type": 'icns', "id": -16455, "length": 96924}]>
                                     └── com.apple.provenance: [01, 00, 00, a3, f3, 84, 32, 0e, f8, 0b, 5a]

This PR was done by @cfxegbert, but since I can't push to his codebase, I've updated the branch to resolve the conflicts.
The code still works as advertised.