2024 Meetup Cleanup

### Overview
REPLACE THIS TEXT -Text here that clearly states the purpose of this issue in 2 sentences or less.

### Action Items
REPLACE THIS TEXT -If this is the beginning of the task this is most likely something to be researched and documented.

REPLACE THIS TEXT -If the issue has already been researched, and the course of action is clear, this will describe the steps. However, if the steps can be divided into tasks for more than one person, we recommend dividing it up into separate issues, or assigning it as a pair programming task.

### Resources/Instructions
REPLACE THIS TEXT -If there is a website which has documentation that helps with this issue provide the link(s) here.

Es sind keine Dateien, Tests oder Einstiegspunkte identifiziert, und der Issue-Text enthält weiterhin Template-Text. Kläre zunächst, was „2024 Meetup Cleanup“ umfasst, identifiziere die relevanten Meetup-Materialien und definiere die Kriterien für eine abgeschlossene Bereinigung, bevor die Implementierung beginnen kann.

Vom Indexierungsmodell aus dem Issue-Text verfasst.