add "submit your abstract" link

Author: nlharris

content/page/bosc-2026.md

@@ -33,7 +33,7 @@ BOSC 2025 included two days of [keynote talks](/events/bosc-2025/bosc-2025-keyno
 
 {{< columns >}}
 - April 1: [OBF Event Award application deadline](/event-awards/)
-- **April 9: Abstract submission deadline (talks and posters)**
+- **April 9: Abstract submission deadline (talks and posters) - submit your abstract [here](/events/bosc-2026/submit/)!**
 - May 5: Talk/poster acceptance notifications
 - May 7: Late poster submission deadline
 - July 12-16: [ISMB 2026](https://www.iscb.org/ismb2026/home) (Washington, DC and online)