[WarpAuth] Fix issue #21 Fokus auf Passwort-Feld nach falschem Login

www/web/templates/two_factor/core/login.html

@@ -54,4 +54,12 @@
 <a class="btn" href="/account/reset_password">{% trans "Forgot Password?" %}</a><br>
 <a class="btn" href="/account/registration/">{% trans "Register" %}</a><br>
 <a class="btn" href="/account/registration/resend">{% trans "Resend Activation Link" %}</a>
+<script>
+if(document.getElementById("id_auth-username").value) {
+    $("#id_auth-password").focus();
+} else {
+     $("#id_auth-username").focus();
+}
+
+</script>
 {% endblock %}
\ No newline at end of file