Add ICASSP 2026 paper acceptance date

Added a new entry for paper acceptance by ICASSP 2026.

Author: ShawnPi233

README.md

@@ -17,6 +17,7 @@
 - **[2025-09-20]** 🎉 Initial release of demo page.
 - **[2025-09-22]** 🎉 Initial release of HuggingFace dataset demo.
 - **[2025-11-02]** 🎉 Initial release of HuggingFace full dataset (compliance-vetted core data).
+- **[2026-01-16]** 🎉 Paper accepted by ICASSP 2026
 
 ### 📅 Release Plan
 - [x] Demo page