Add shoutout to Jack O'Connor

Author: rklaehn

src/app/blog/blake3-hazmat-api/page.mdx

@@ -139,6 +139,10 @@ These are just the public forks from [crates.io](https://crates.io/search?q=blak
 
 I hope that some of these other projects will take a look at the new hazmat API and will possibly be able to retire their forks as well!
 
+<Note>
+Thanks to [Jack O'Connor] for BLAKE3 and for providing the new hazmat API
+</Note>
+
 [iroh-blobs]: https://github.com/n0-computer/iroh-blobs
 [BLAKE3]: https://github.com/BLAKE3-team/BLAKE3
 [bao]: https://crates.io/crates/bao
@@ -149,3 +153,4 @@ I hope that some of these other projects will take a look at the new hazmat API
 [fluence]: https://www.fluence.network/
 [fleek]: https://fleek.network/
 [s5 project]: https://docs.sfive.net/
+[Jack O'Connor]: https://jacko.io/