Merge pull request #503 from boegel/hackathon-eurohpc-user-days

add placeholder page for CI/CD hackathon after EuroHPC User Days 2025

Author: ocaisa

docs/training/2025/hackathon-eurohpc-user-days.md

@@ -0,0 +1,7 @@
+# EESSI CI/CD hackathon (2 Oct 2025, Copenhagen)
+
+On Thursday 2 October 2025, a CI/CD hackathon will be organised in the wake of the
+[EuroHPC User Days](https://eurohpc-ju.europa.eu/media-events/events/eurohpc-user-days-2025-2025-09-30_en)
+which takes place 30 Sept + 1 Oct 2025 in Copenhagen.
+
+**More information on registration, venue, etc. soon!**