Add React Rally 2024 to conferences (#6819)

Author: mzabriskie

src/content/community/conferences.md

@@ -75,6 +75,11 @@ July 25, 2024. In-person in Berlin, Germany + remote (hybrid event)
 
 [Website](https://thegeekconf.com) - [Twitter](https://twitter.com/thegeekconf)
 
+### React Rally 2024 🐙 {/*react-rally-2024*/}
+August 12-13, 2024. Park City, UT, USA
+
+[Website](https://reactrally.com) - [Twitter](https://twitter.com/ReactRally) - [YouTube](https://www.youtube.com/channel/UCXBhQ05nu3L1abBUGeQ0ahw)
+
 ### React Universe Conf 2024 {/*react-universe-conf-2024*/}
 September 5-6, 2024. Wrocław, Poland.