Adding Manufacturers and ScopeModels

app/templates/_nav.html

@@ -14,6 +14,12 @@
     {% if user.is_superuser or "unc_threads:read" in user.permissions %}
       <a href="/admin/unc-threads">UNC Threads</a>
     {% endif %}
+    {% if user.is_superuser or "manufacturers:read" in user.permissions %}
+      <a href="/admin/manufacturers">Manufacturers</a>
+    {% endif %}
+    {% if user.is_superuser or "scope_models:read" in user.permissions %}
+      <a href="/admin/scope-models">Scope Models</a>
+    {% endif %}
     <a href="/docs" target="_blank">API docs</a>
   </nav>
   <form method="post" action="/logout" class="logout">