Add "add owner" button to owner group detail view

netbox/templates/users/ownergroup.html

@@ -5,6 +5,14 @@
 
 {% block subtitle %}{% endblock %}
 
+{% block extra_controls %}
+  {% if perms.users.add_owner %}
+    <a href="{% url 'users:owner_add' %}?group={{ object.pk }}" class="btn btn-primary">
+      <i class="mdi mdi-plus-thick" aria-hidden="true"></i> {% trans "Add Owner" %}
+    </a>
+  {% endif %}
+{% endblock extra_controls %}
+
 {% block content %}
   <div class="row mb-3">
     <div class="col-md-6">