docs(angular): add document to navigation

docs/en/docs-nav.json

@@ -328,6 +328,10 @@
             {
               "text": "Component Replacement",
               "path": "UI/Angular/Component-Replacement.md"
+            },
+            {
+              "text": "Custom Setting Page",
+              "path": "UI/Angular/Custom-Setting-Page.md"
             }
           ]
         }