Add missing route to Roadm UI

Change-Id: Iece3e2212e0a227efbc0b015f3826ca3e86b77f8
diff --git a/apps/roadm/web/roadm-gui/lib/roadm-gui-lib.module.ts b/apps/roadm/web/roadm-gui/lib/roadm-gui-lib.module.ts
index e9f2d91..ac23047 100644
--- a/apps/roadm/web/roadm-gui/lib/roadm-gui-lib.module.ts
+++ b/apps/roadm/web/roadm-gui/lib/roadm-gui-lib.module.ts
@@ -29,7 +29,9 @@
     ],
     imports: [
         RouterModule,
-        RouterModule.forChild([{path: 'roadm-port-gui', component: RoadmPortComponent}]),
+        RouterModule.forChild([
+            {path: '', component: RoadmDeviceComponent},
+            {path: 'roadm-port-gui', component: RoadmPortComponent}]),
         Gui2FwLibModule,
         CommonModule,
         FormsModule,