[ privkeyio/libnostr-z ] Add NIP-94 file metadata support (#106)
* Add NIP-94 file metadata support
* Update README with NIP-94 file metadata support
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Co-authored-by: Kyle π
https://github.com/privkeyio/libnostr-z/commit/79b94ac7a152bc2c04e737200ec4249c6473b4ec