Merge pull request #139 from bmvermeer/main

adding J-Spring

README.md

@@ -41,6 +41,7 @@ Missing a conference, seeing an issue or something needs an update? Send a pull
 | [JNation](https://jnation.pt/) | Coimbra, Portugal | no | 27-28 May 2025 | [Link](https://sessionize.com/jnation-2025/) (Closes 10 January 2025) 🟢 |
 | [JCON OpenBlend Slovenia](https://slovenia.jcon.one) | Portorož, Slovenia | no | 28-30 May 2025 | [Link](https://sessionize.com/makeit-2025-jcon-openblend-slovenia/) (Closes 10 January 2025) 🟢 |
 | [betterCode() Spring](https://spring.bettercode.eu/index.php) | online | no | 3 June 2025 | - |
+| [J-Spring](https://jspring.nl) | Utrecht, The Netherlands | no | 5 June 2025 | - | 
 | [JSail](https://jsail.ijug.eu/) | Hemelum, The Netherlands | no | 23-27 June 2025 | Unconference, no CFP |
 | [Devoxx Poland](https://devoxx.pl/) | Krakow, Poland | no | 11-13 June 2025 | [Link](https://devoxxpl25.cfp.dev/) (Closes 28 February 2025) 🟢 |
 | [DevBcn](devbcn.com) | Barcelona, Spain | no | 8-10 July 2025 | [Link](https://sessionize.com/devbcn-2025/) (Closes 01 March 2025) 🟢 |