add event

Author: Gerit Wagner

data/events.yaml

@@ -109,6 +109,9 @@
 - title: "Wagner: Vacation"
   start: "2025-12-19 00:00"
   end: "2026-01-06 23:59"
+- title: "Literature Review Seminar: Presentations"
+  start: "2026-01-20 14:00"
+  end: "2026-01-20 17:00"
 - title: "BSc Con DIB II: Analytics & Big Data"
   start: "2026-03-23 09:30"
   end: "2026-03-23 11:00"