Add plugin support status to server information screen

lib/l10n/app_en.arb

@@ -590,6 +590,12 @@
   "pluginPrinter": "Printer",
   "@pluginPrinter": {},
 
+  "pluginSupport": "Plugin Support Enabled",
+  "@pluginSupport": {},
+
+  "pluginSupportDetail": "The server supports custom plugins",
+  "@pluginSupportDetail": {},
+
   "printLabelFailure": "Label printing failed",
   "@printLabelFailure": {},
 

lib/settings/about.dart

@@ -102,6 +102,18 @@ class InvenTreeAboutWidget extends StatelessWidget {
           leading: FaIcon(FontAwesomeIcons.server),
         )
       );
+
+      // Display extra tile if the server supports plugins
+      if (InvenTreeAPI().pluginsEnabled()) {
+        tiles.add(
+          ListTile(
+            title: Text(L10().pluginSupport),
+            subtitle: Text(L10().pluginSupportDetail),
+            leading: FaIcon(FontAwesomeIcons.plug),
+          )
+        );
+      }
+
     } else {
       tiles.add(
         ListTile(