Add React Norway 2025 conference to community page (#7766)

* Add React Norway 2025 conference to community page

- Included details about the event date, location, and links to the website and social media.

* Remove extra blank line in conferences markdown file.

- An unnecessary blank line was removed to maintain consistent formatting

Author: danisal

src/content/community/conferences.md

@@ -25,6 +25,11 @@ May 27 - 31, 2025. In-person in Athens, Greece
 
 [Website](https://athens.cityjsconf.org/) - [Twitter](https://x.com/cityjsconf) - [Bluesky](https://bsky.app/profile/cityjsconf.bsky.social)
 
+### React Norway 2025 {/*react-norway-2025*/}
+June 13, 2025. In-person in Oslo, Norway + remote (virtual event)
+
+[Website](https://reactnorway.com/) - [Twitter](https://x.com/ReactNorway)
+
 ### React Summit 2025 {/*react-summit-2025*/}
 June 13 - 17, 2025. In-person in Amsterdam, Netherlands + remote (hybrid event)