Add superadmin creation

start.sh

@@ -56,6 +56,10 @@ else
     python manage.py migrate --noinput
 fi
 
+# this is done here since old taiga installations do not have a superadmin
+echo "==> Create superadmin"
+python manage.py loaddata initial_user
+
 echo "==> Make cloudron own /run"
 chown -R cloudron:cloudron /run
 chown -R cloudron:cloudron /app/data