Add command for reading past announcements

Overview

The following discussion from !4119 (closed) should be addressed:

Maybe, we can then also provide a command for reading past announcements 🤔

See here.

Impacted categories

The following categories relate to this issue:

• gdk-reliability - e.g. When a GDK action fails to complete.
• gdk-usability - e.g. Improvements or suggestions around how the GDK functions.
• gdk-performance - e.g. When a GDK action is slow or times out.