Merge branch 'rotscher--tu-dresden.de-preview-patch-87643' into 'preview'

Update doc.zih.tu-dresden.de/docs/access/jupyterhub_teaching_example.md

See merge request !637

doc.zih.tu-dresden.de/docs/access/jupyterhub_teaching_example.md

@@ -160,7 +160,7 @@ The following video shows an example of the process of opening the
 spawn link and activating the environment, from the students perspective.
 Note that this video shows the case for a conda virtual environment.
 
-![type:video](misc/startup_hub.webm)
+![type:video](./misc/startup_hub.webm)
 
 !!! note
     - The spawn link may not work the first time a user logs in.