rename imprint to impressum

latin nd stuff

index.html

@@ -120,7 +120,7 @@ This is a <a href="https://ntfy.sh/">ntfy</a> instance configured to be used as
 
 
 <p>
-<a href="https://imprint.lubiland.de">Imprint</a>
+<a href="https://impressum.lubiland.de">Impressum</a>
 </p>