Add online event IntelliJ IDEA Conf

README.md

@@ -16,6 +16,7 @@ Missing a conference, seeing an issue, or something needs an update? Send a pull
 | [Digital Crafts Day](https://dc-nordoberpfalz.de/DigitalCraftsDay/2026) | Weiden, Germany | no | 13 March 2026 | [Link](https://sessionize.com/digital-crafts-day-2026/) (Closed 31 October 2025) |
 | [JavaOne](https://www.oracle.com/javaone/) | Redwood City, CA, USA | no | 17–19 March 2026 | [Link](https://reg.rf.oracle.com/flow/oracle/javaone26/CWTCFP/cfpHome) (Closed 11 November 2025) |
 | [Voxxed Days Zurich](https://zurich.voxxeddays.com/) | Zurich, Switzerland | no | 24 March 2026 | [Link](https://vdz26.cfp.dev) (Closed 1 December 2025) |
+| [IntelliJ IDEA Conf](https://lp.jetbrains.com/intellij-idea-conf-2026/) | online                          | no |    26-27 March 2026 | - |
 | [Voxxed Days Amsterdam](https://amsterdam.voxxeddays.com/) | Amsterdam, The Netherlands | no | 1-2 April 2026 | [Link](https://vdams26.cfp.dev/) (Closed 19 December 2025) |
 | [Spring I/O](https://2025.springio.net/) | Barcelona, Spain | no | 13-15 April 2026 | [Link](https://sessionize.com/springio26) (Closed 09 January 2026) |
 | [Java Day Istanbul](https://javaday.istanbul) | Istanbul, Turkiye | no | 18 April 2026 | [Link](https://www.papercall.io/javadayistanbul2026) (Closed 15 December 2025) |