Merge pull request AdobeDocs#33 from AdobeDocs/kh_front

Replace the repo front page

Author: keharper

src/data/navigation/header.js

@@ -12,7 +12,7 @@ module.exports = [
       path: "/admin-ui-sdk/",
     },
     {
-      title: "Amazon Sales Channel",
+      title: "Reference App",
       path: "/amazon-sales-channel/"
     }
   ];

src/data/navigation/sections/admin-ui-sdk.js

@@ -12,7 +12,7 @@ module.exports = [
       path: "/admin-ui-sdk/configuration.md"
     },
     {
-      title: "App registration",
+      title: "App UI registration",
       path: "/admin-ui-sdk/app-registration.md"
     },
     {

src/pages/admin-ui-sdk/app-registration.md

@@ -1,9 +1,9 @@
 ---
-title: App registration
-description: Learn about registering your app in the App Registry
+title: App UI registration
+description: Learn about registering your UI changes to the App Registry
 ---
 
-# App registration
+# App UI registration
 
 Your app must be correctly configured with Adobe App Registry to use the Admin UI SDK to create a custom UI in Commerce. You must perform the following steps before submitting your app to be published.
 

src/pages/amazon-sales-channel/index.md

@@ -5,7 +5,9 @@ description: Learn how you can use Amazon Sales Channel on App Builder as a refe
 
 # Amazon Sales Channel on App Builder overview
 
-Amazon Sales Channel on App Builder is a flagship reference app developed by Adobe Commerce to accelerate merchant and partner adoption of out-of-process extensibility. This app showcases how Adobe Developer App Builder can create integrations and extensions without modifying the core Commerce application. Amazon Sales Channel on App Builder focuses on demonstrating how to develop key capabilities and extensibility use cases with App Builder. Partners and developers can leverage the application code, best practice guides, and documentation to confidently create their own next-generation extensions and integrations.
+Amazon Sales Channel on App Builder is a flagship reference app developed by Adobe Commerce to accelerate merchant and partner adoption of out-of-process extensibility.
+
+This app showcases how Adobe Developer App Builder can create integrations and extensions without modifying the core Commerce application. Amazon Sales Channel on App Builder focuses on demonstrating how to develop key capabilities and extensibility use cases with App Builder. Partners and developers can leverage the application code, best practice guides, and documentation to confidently create their own next-generation extensions and integrations.
 
 The application presents many common use cases for extending Adobe Commerce, including:
 

src/pages/index.md

@@ -9,18 +9,39 @@ description:
 
 # Adobe Commerce Extensibility
 
-Learn how
-to use Adobe I/O Events for Adobe Commerce to transmit event data to your custom web application using Adobe I/O.
+Learn how develop Out-of-Process apps that extend and customize Adobe Commerce.
 
 ## Overview
 
-This documentation describes how to install, configure, and implement Adobe I/O Events for Adobe Commerce.
+This documentation provides resources for developing Out-of-Process apps for Adobe Commerce.
 
-### Guides
+### Discover
+
+Use these sections to learn about developing Commerce apps.
+
+<DiscoverBlock slots="link, text"/>
+
+[App Developer Guide](app-development/index.md)
+
+Learn how to make the transition from developing Commerce PHP extensions to developing Out-of-Process apps.
+
+<DiscoverBlock slots="link, text"/>
+
+[Admin UI SDK](admin-ui-sdk/index.md)
+
+Extend the Commerce Admin to include the menus and pages necessary for merchants to configure and interact with your app.
+
+<DiscoverBlock slots="link, text"/>
+
+[Reference App](amazon-sales-channel/index.md)
+
+Explore the Amazon Sales Channel reference app to help visualize the world of Commerce Out-of-Process apps.
+
+### Related information
 
 <DiscoverBlock slots="link, text"/>
 
-[Adobe I/O Events for Adobe Commerce](index.md)
+[Adobe I/O Events for Adobe Commerce](https://developer.adobe.com/commerce/events/)
 
 Makes Commerce transactional data available to App Builder using Adobe I/O. You can define the events to transmit data each time an event triggers, or only under circumstances defined within configuration rules.
 
@@ -36,4 +57,6 @@ Is a complete framework that enables enterprise developers to build and deploy c
 
 Allows developers to integrate private and third-party APIs and other software interfaces with Adobe Commerce and other Adobe products using Adobe IO.
 
-<DiscoverBlock slots="link, text"/>
+## Contributing to this documentation
+
+We encourage you to participate in our open documentation initiative. If you have suggestions, corrections, additions, or deletions for this documentation, check out the source on [GitHub](https://github.com/AdobeDocs/commerce-extensibility), and open a pull request.