Update README.md

Adding another presentation

Author: sapetti9

site/blog/2025-03-20-frictionless-summit/README.md

@@ -33,6 +33,7 @@ Confirmed project presentations:
 * Nicholas Kellett: Deploy Solutions (climate/disaster response + citizen science)
 * Phil Schumm: Data curation with Frictionless at NIH/University of Chicago (biomedical data)
 * Adam Shepherd, Amber York: BCO-DMO (oceanography data)
+* Ethan Welt: Global englacial temperature database (glaciar monitoring data)
 
 **🕓 16:30 CET – The Tech We Want Vision**
 _A presentation about new practical ways to build software that is useful, simple, long-lasting and focused on solving people’s real problems._