Add HGF OS RSE forum talk

publications.md

@@ -17,10 +17,11 @@ excerpt:
 ##### 2022
 
 * **Research Software Development @Helmholtz**, MPG Worskhop Future Opportunities for Software in Research (FORS2022), May 2022.
+* **[Helmholtz Digital Services for Science — Collaboration made easy.](https://doi.org/10.48440/os.helmholtz.045)**, Helmholtz Open Science Forum Research Software, April 2022, DOI: [10.48440/os.helmholtz.045](https://doi.org/10.48440/os.helmholtz.045)
 * [**From License Consultation to Software Spotlights**](https://doi.org/10.5281/zenodo.6248895), RDA Deutschland Conference, February 2022, DOI: 10.5281/zenodo.6248895.
 * [**OpenSource im Spannungsfeld akademischer und wirtschaftlicher Interessen**](https://www.youtube.com/watch?v=IsOCFNHTHuU), Software Engineering Conference Deutschland (rSE22), February 2022.
 * [**Helmholtz Federated IT Services: Innovative Cloud and Software Services for
-Science**](https://www.youtube.com/watch?v=4T1oyoEPUpE). In: Software Engineering (SE) 2022, Track rSE 22, February 2022. 
+Science**](https://www.youtube.com/watch?v=4T1oyoEPUpE). In: Software Engineering (SE) 2022, Track rSE 22, February 2022.
 * [**HIFIS: VO Federation for EFSS**](https://indico.cern.ch/event/1075584/contributions/4658939/) In [CS3 2022 — Cloud Storage Synchronization and Sharing](https://indico.cern.ch/event/1075584/), January 2022.
 
 ##### 2021