improve link to zitadel in login form, + german translation

loops/locales/de/LC_MESSAGES/loops.po

@@ -1,9 +1,9 @@
 msgid ""
 msgstr ""
 
-"Project-Id-Version: 0.13.1\n"
+"Project-Id-Version: 3.0.1\n"
 "POT-Creation-Date: 2007-05-22 12:00 CET\n"
-"PO-Revision-Date: 2017-12-08 12:00 CET\n"
+"PO-Revision-Date: 2025-08-29 12:00 CET\n"
 "Last-Translator: Helmut Merz <helmutm@cy55.de>\n"
 "Language-Team: loops developers <helmutm@cy55.de>\n"
 "MIME-Version: 1.0\n"
@@ -1470,3 +1470,7 @@ msgstr "Weitere Empfänger"
 msgid "Send email"
 msgstr "E-Mail senden"
 
+# authentication
+
+msgid "login-with-oidc"
+msgstr "Mit OpenID Connect (Zitadel) anmelden" 

loops/server/loginform.pt

@@ -25,9 +25,9 @@
     <p i18n:translate="" tal:condition="python: principal != 'zope.anybody'">
       You are not authorized to perform this action. However, you may login as a
       different user who is authorized.</p>
-	<p>
+	<p i18n:domain="loops">
 	  <a tal:attributes="href string:/auth_login?camefrom=$camefrom"
-	    i18n:translate="">Login with Zitadel</a>
+	    i18n:translate="login-with-oidc">Login with OpenID Connect (Zitadel)</a>
 	</p>
     <form action="." method="post"
           tal:attributes="action request/URL">