Add main track reminder post

Author: kragniz

content/news/2025-11-14-main-track-reminder.md

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+---
+title: 'FOSDEM 2026 Main Track Deadline Reminder'
+---
+
+Submit your proposal for the FOSDEM main track before it's too late!
+
+---MORE---
+
+The deadline for main track submissions is earlier than it usually is (**16th November**, that's in a couple of days!), so don't be caught out.
+
+For full details on submission information, look at the original <a href="page:news/2025-09-21-call-for-participation">call for participation</a>.