Add upcoming conferences for React and CityJS (#8438)

Please accept my changes for React Alicante and CityJS Athens

Author: arismarko

src/content/community/conferences.md

@@ -10,27 +10,41 @@ Do you know of a local React.js conference? Add it here! (Please keep the list c
 
 ## Upcoming Conferences {/*upcoming-conferences*/}
 
-### React Paris 2026 {/*react-paris-2026*/}
-March 26 - 27, 2026. In-person in Paris, France (hybrid event)
+### ZurichJS Conf 2026 {/*zurichjs-conf-2026*/}
+September 10-11,  2026. In-person in Zurich, Switzerland
 
-[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
+[Website](https://conf.zurichjs.com?utm_campaign=ZurichJS_Conf&utm_source=referral&utm_content=reactjs_community_conferences) - [Twitter](https://x.com/zurichjs) - [LinkedIn](https://www.linkedin.com/company/zurichjs/)
 
-### CityJS London 2026 {/*cityjs-london-2026*/}
-April 14-17,  2026. In-person in London
+### React Alicante 2026 {/*react-alicante-2026*/}
+Sep 24 - 26,  2026. In-person in Alicante
 
-[Website](https://india.cityjsconf.org/) - [Twitter](https://x.com/cityjsconf) - [Bluesky](https://bsky.app/profile/cityjsconf.bsky.social)
+[Website](https://reactalicante.es//) - [Twitter](https://x.com/ReactAlicante)
 
-### ZurichJS Conf 2026 {/*zurichjs-conf-2026*/}
-September 10-11,  2026. In-person in Zurich, Switzerland
+### CityJS Athens 2026 {/*cityjs-athens-2026*/}
+October 21-23,  2026. In-person in Athens
+
+[Website](https://athens.cityjsconf.org/) - [Twitter](https://x.com/cityjsconf) - [Bluesky](https://bsky.app/profile/cityjsconf.bsky.social)
+
+
+## Past Conferences {/*past-conferences*/}
 
-[Website](https://conf.zurichjs.com?utm_campaign=ZurichJS_Conf&utm_source=referral&utm_content=reactjs_community_conferences) - [Twitter](https://x.com/zurichjs) - [LinkedIn](https://www.linkedin.com/company/zurichjs/)
 
 ### React Conf Japan 2027 {/*react-conf-japan-2027*/}
 April 24,  2027. In-person in Tokyo, Japan
 
 [Website](https://reactconf.jp/) - [Twitter](https://x.com/reactconfjp)
 
-## Past Conferences {/*past-conferences*/}
+### CityJS London 2026 {/*cityjs-london-2026*/}
+April 14-17,  2026. In-person in London
+
+[Website](https://india.cityjsconf.org/) - [Twitter](https://x.com/cityjsconf) - [Bluesky](https://bsky.app/profile/cityjsconf.bsky.social)
+
+
+### React Paris 2026 {/*react-paris-2026*/}
+March 26 - 27, 2026. In-person in Paris, France (hybrid event)
+
+[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
+
 
 ### CityJS New Delhi 2026 {/*cityjs-newdelhi-2026*/}
 February 12-13,  2026. In-person in New Delhi, India