Add React Conf to conferences.md and move past conferences (#7730)

* Add React Conf conferences.md and move past conferences

* Update conferences.md

Author: mattcarrollcode

src/content/community/conferences.md

@@ -10,16 +10,6 @@ Do you know of a local React.js conference? Add it here! (Please keep the list c
 
 ## Upcoming Conferences {/*upcoming-conferences*/}
 
-### React Paris 2025 {/*react-paris-2025*/}
-March 20 - 21, 2025. In-person in Paris, France (hybrid event)
-
-[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
-
-### React Native Connection 2025 {/*react-native-connection-2025*/}
-April 3 (Reanimated Training) + April 4 (Conference), 2025. Paris, France.
-
-[Website](https://reactnativeconnection.io/) - [X](https://x.com/reactnativeconn) - [Bluesky](https://bsky.app/profile/reactnativeconnect.bsky.social)
-
 ### CityJS London 2025 {/*cityjs-london*/}
 April 23 - 25, 2025. In-person in London, UK 
 
@@ -50,6 +40,11 @@ September 2-4, 2025. Wrocław, Poland.
 
 [Website](https://www.reactuniverseconf.com/) - [Twitter](https://twitter.com/react_native_eu) - [LinkedIn](https://www.linkedin.com/events/reactuniverseconf7163919537074118657/)
 
+### React Conf 2025 {/*react-conf-2025*/}
+October 7-8, 2025. Henderson, Nevada, USA and free livestream
+
+[Website](https://conf.react.dev/) - [Twitter](https://x.com/reactjs) - [Bluesky](https://bsky.app/profile/react.dev)
+
 ### React India 2025 {/*react-india-2025*/}
 October 31 - November 01, 2025. In-person in Goa, India (hybrid event) + Oct 15 2025 - remote day
 
@@ -58,6 +53,16 @@ October 31 - November 01, 2025. In-person in Goa, India (hybrid event) + Oct 15
 
 ## Past Conferences {/*past-conferences*/}
 
+### React Paris 2025 {/*react-paris-2025*/}
+March 20 - 21, 2025. In-person in Paris, France (hybrid event)
+
+[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
+
+### React Native Connection 2025 {/*react-native-connection-2025*/}
+April 3 (Reanimated Training) + April 4 (Conference), 2025. Paris, France.
+
+[Website](https://reactnativeconnection.io/) - [X](https://x.com/reactnativeconn) - [Bluesky](https://bsky.app/profile/reactnativeconnect.bsky.social)
+
 ### React Day Berlin 2024 {/*react-day-berlin-2024*/}
 December 13 & 16, 2024. In-person in Berlin, Germany + remote (hybrid event)