show inactive plugins in ui

InvenTree/templates/InvenTree/settings/plugin.html

@@ -64,6 +64,18 @@
             <td>{% if plugin.version %}{{ plugin.version }}{% endif %}</td>
         </tr>
         {% endfor %}
+
+        {% inactive_plugin_list as in_pl_list %}
+        {% if in_pl_list %}
+        <tr><td colspan="4"></td></tr>
+        <tr><td colspan="4"><h6>{% trans 'Inactiv plugins' %}</h6></td></tr>
+        {% for plugin_key, plugin in in_pl_list.items %}
+        <tr>
+            <td>{{plugin.name}}<span class="text-muted"> - {{plugin.key}}</span></td>
+            <td colspan="3"></td>
+        </tr>
+        {% endfor %}
+        {% endif %}
     </tbody>
 </table>