SITES-21282: Create boilerplate for new section on documentation for …

…universal editor

gatsby-config.js

@@ -37,6 +37,10 @@ module.exports = {
             title: "AEM Content Fragments Editor",
             path: "/services/aem-cf-editor/"
           },
+          {
+            title: "AEM Universal Editor",
+            path: "/services/aem-universal-editor/"
+          },
           {
             title: "Adobe Commerce Admin",
             path: "https://developer.adobe.com/commerce/extensibility/admin-ui-sdk/"
@@ -214,7 +218,25 @@ module.exports = {
             path: "/extension-manager/extension-developed-by-adobe/content-fragments-workflows"
           }
         ]
-      }
+      },
+      {
+        title: "Extension Points",
+        path: "/services/aem-universal-editor/api/",
+        pages: [
+          {
+            title: "Common Concepts",
+            path: "/services/aem-universal-editor/api/commons/"
+          },
+          {
+            title: "Header Menu",
+            path: "/services/aem-universal-editor/api/header-menu/"
+          },
+          {
+            title: "Modal Dialogs",
+            path: "/services/aem-universal-editor/api/modal/"
+          },
+        ]
+      },
     ]
   },
   plugins: [

src/pages/services/aem-universal-editor/api/commons/index.md

@@ -0,0 +1,8 @@
+---
+title: AEM Universal Editor Extensibility
+description: Learn how to customize AEM Universal Editor
+contributors:
+  - https://github.com/AdobeDocs/uix
+---
+
+TBD

src/pages/services/aem-universal-editor/api/header-menu/index.md

@@ -0,0 +1,8 @@
+---
+title: AEM Universal Editor Extensibility
+description: Learn how to customize AEM Universal Editor
+contributors:
+  - https://github.com/AdobeDocs/uix
+---
+
+TBD

src/pages/services/aem-universal-editor/api/index.md

@@ -0,0 +1,14 @@
+---
+title: AEM Universal Editor Extensibility
+description: Learn how to customize AEM Universal Editor
+contributors:
+  - https://github.com/AdobeDocs/uix
+---
+
+# AEM Content Fragments Editor Extension Points
+
+This section covers the utilization of existing extension points, extension registration, and common methods that can be used in any application that leverages extension points for service customization.
+
+<DiscoverBlock slots="link, text"/>
+
+TBD

src/pages/services/aem-universal-editor/api/modal/index.md

@@ -0,0 +1,8 @@
+---
+title: AEM Universal Editor Extensibility
+description: Learn how to customize AEM Universal Editor
+contributors:
+  - https://github.com/AdobeDocs/uix
+---
+
+TBD

src/pages/services/aem-universal-editor/index.md

@@ -0,0 +1,12 @@
+---
+title: AEM Content Fragments Editor Extensibility
+description: AEM Content Fragments Editor Extensibility
+contributors:
+  - https://github.com/AdobeDocs/uix
+---
+
+# AEM Universal Editor
+
+The [AEM Universal Editor](https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/implementing/developing/universal-editor/introduction)  is a versatile visual editor that is part of Adobe Experience Manager Sites. It enables authors to do what-you-see-is-what-you-get (WYSIWYG) editing of any headless or headful experience. Understand how it can help content authors deliver exceptional experiences and how it offers unparalleled freedom for developers.
+
+In this section, you will find the available extension points and examples of how to utilize them.