feat: mark Meetup.com event and its sub-events as completed

Author: SabotageAndi

_events/2026-02-19.md

@@ -33,9 +33,9 @@ Tasks:
 
 - [x] Location fixiert
 - [x] Title, Abstract & Bio von Speaker
-- [ ] Meetup.com Event angelegt
-    - [ ] Main - Onsite Event
-    - [ ] Main - Remote Event
+- [x] Meetup.com Event angelegt
+    - [x] Main - Onsite Event
+    - [x] Main - Remote Event
     - [ ] Visual Studio User Group Wien - Event
     - [ ] .NET User Group Austria - Event
 - [ ] Social Media