Add React Alicante 2026 to conferences.md

Author: VictoriaQ

src/content/community/conferences.md

@@ -25,6 +25,11 @@ September 10-11,  2026. In-person in Zurich, Switzerland
 
 [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 Alicante 2026 {/*react-alicante-2026*/}
+September 24-26,  2026. In-person in Alicante, Spain + remote (hybrid event)
+
+[Website](https://reactalicante.es) - [Twitter](https://x.com/reactalicante)
+
 ### React Conf Japan 2027 {/*react-conf-japan-2027*/}
 April 24,  2027. In-person in Tokyo, Japan