fix email signature

xi · xi · commit fb7e1e33ead7 · 2024-01-25T15:38:14.000+01:00
see https://datatracker.ietf.org/doc/html/rfc3676#section-4.3
diff --git a/meinberlin/templates/email_base.txt b/meinberlin/templates/email_base.txt
@@ -10,7 +10,7 @@
 
 {% block reason %}{% endblock %}
 
----
+-- 
 {% translate 'meinBerlin is a participation platform operated by' %}
 Liquid Democracy e.V., Am Sudhaus 2, D-12053 Berlin
 
