fix(ui): update login link to include registration

Updated the login link to include "Login / Register" and point to the new 'login' view instead of 'send_login_email'. This change improves user experience by clarifying the login process and emphasizing registration availability.

freedoi/resolver/templates/base_generic.html

@@ -50,7 +50,7 @@
             </li>
             {% else %}
             <li class="nav-item">
-              <a class="nav-link" href="{% url 'send_login_email' %}">Login</a>
+              <a class="nav-link" href="{% url 'login' %}">Login / Register</a>
             </li>
             {% endif %}
           </ul>