add save the date for ndrh2026

Author: bendichter

README.md

@@ -9,6 +9,7 @@
 - [NeuroDataReHack: July 2025](HCK24_2025_Janelia_NDRH/README.md) - **July 14-18, 2025** at HHMI Janelia Research Campus in Ashburn, Virginia, USA
 - [NWB Community Hackathon: August 2025](HCK25_2025_Community_Hackathon_Flatiron/README.md) - **August 4-6, 2025** at Flatiron Institute in New York City, NY, USA
 - [NWB and DANDI Workshop: August 2025](Workshop_2025_NYU/README.md) - **August 7, 2025** at NYU Langone Health in New York City, NY, USA
+- [NeuroDataReHack 2026] - **July 13-17, 2026** at HHMI Janelia Research Campus in Ashburn, Virginia, USA (Save the date)
 
 ### Past Events
 - [NWB and DANDI Workshop: April 2025](Workshop_2025_UWashington/README.md) - **April 7-8, 2025** at University of Washington in Seattle, WA, USA