(menusystem) add missing options

src/opnsense/mvc/app/models/OPNsense/Base/Menu/Menu.xml

@@ -15,7 +15,10 @@
 
         <HighAvailSync VisibleName="High Availability" url="/system_hasync.php"/>
 
-        <Routing url="/system_gateways.php"/>
+        <Routing url="/system_gateways.php">
+        	<Routes url="/system_routes.php"/>
+        	<GatewayGroups url="/system_gateway_groups.php"/>
+        </Routing>
 
         <Settings url="/system_general.php">
             <General VisibleName="General" url="/system_general.php"/>
@@ -24,7 +27,7 @@
             <Networking url="/system_advanced_network.php"></Networking>
             <Miscellaneos url="/system_advanced_misc.php"/>
             <System_Tunables VisibleName="System Tunables" url="/system_advanced_sysctl.php"/>
-            <Notifications url="system_advanced_notifications.php"/>
+            <Notifications url="/system_advanced_notifications.php"/>
         </Settings>
 
         <SetupWizard VisibleName="Setup Wizard" url="wizard.php?xml=setup_wizard.xml"/>