Update meetings.md

Added link to 3rd pyAML workshop

Author: gubaidulinvadim

_pages/meetings.md

@@ -32,7 +32,7 @@ Next meeting: **4 December 2025** 16.00 (CEST): [**Agenda and zoom link**](https
 
 Workshops are arranged in a hybrid format.
 
-Next workshop: **3rd Accelerator Middle Layer Workshop** - 2-4 February 2026, Saint-Aubin, France. Registration opening soon.
+Next workshop: [**3rd Accelerator Middle Layer Workshop**](https://indico.synchrotron-soleil.fr/e/pyAML-2026) - 2-4 February 2026, Saint-Aubin, France. Registration opened December 4th 2025 - January 19th 2026.
 
 ##### Past Workshops