Update links and step in Walkthrough

To use the new 'ada.openUsersGuide' command instead of
wiki links.

For eng/ide/als-publish#43

Author: AnthonyLeonardoGracio

integration/vscode/ada/README.md

@@ -63,9 +63,9 @@ Both tools are available for Linux, Windows and macOS (Intel and Apple silicon)
 ## Documentation
 
 * [Ada Language Server README.md: VS Code Extension](https://github.com/AdaCore/ada_language_server/blob/master/README.md#vs-code-extension)
-* [Tutorial: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/wiki/Getting-Started)
+* [Tutorial: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/blob/master/doc/Getting-Started.md)
 * [Supported refactoring tools](https://github.com/AdaCore/ada_language_server/blob/master/doc/refactoring_tools.md)
-* [Custom colors for Ada sources](https://github.com/AdaCore/ada_language_server/wiki/Custom-colors-in-VS-Code)
+* [Custom colors for Ada sources](https://github.com/AdaCore/ada_language_server/blob/master/doc/Custom-colors-in-VS-Code.md)
 * [Usage in a Remote container](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/Code%20Samples/docker) example
 * [Code Samples](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/Code%20Samples) with Build and Debug tasks
 

integration/vscode/ada/media/more-resources.md

@@ -1,7 +1,9 @@
-📖 Take a look at the following tutorials and demos from our [wiki](https://github.com/AdaCore/ada_language_server/wiki) to learn more about Ada & SPARK development in VS Code:
+📖 Explore the [Ada & SPARK VS Code extension User's Guide](command:toSide:ada.openUsersGuide) for comprehensive information on developing with Ada & SPARK in VS Code.
 
-* [Tutorial: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/wiki/Getting-Started)
-* [Auto detection Tasks video](https://github.com/AdaCore/ada_language_server/wiki/auto_detected_tasks.mp4)
-* [Custom colors in VS Code](https://github.com/AdaCore/ada_language_server/wiki/Custom-colors-in-VS-Code)
-* [Working in a Docker container](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/Code%20Samples/docker)
-* [Working on a remote machine](https://github.com/AdaCore/ada_language_server/wiki/Working-on-a-remote-machine)
+You can also access up-to-date documentation in our [GitHub repository](https://github.com/AdaCore/ada_language_server):
+
+* [Getting Started: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/blob/master/doc/Getting-Started.md)
+* [List of Supported Refactoring Tools](https://github.com/AdaCore/ada_language_server/blob/master/doc/refactoring_tools.md)
+* [Customizing Ada Source Colors](https://github.com/AdaCore/ada_language_server/blob/master/doc/Custom-colors-in-VS-Code.md)
+* [Running in a Remote Container](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/Code%20Samples/docker) (example)
+* [Code Samples](https://github.com/AdaCore/ada_language_server/tree/master/integration/vscode/Code%20Samples) including Build and Debug tasks

integration/vscode/ada/package.json

@@ -1476,8 +1476,8 @@
                     },
                     {
                         "id": "als-get-started-more-resources",
-                        "title": "Tutorials and Demos",
-                        "description": "",
+                        "title": "Ada & SPARK Extension User's Guide",
+                        "description": "Discover tutorials, demos, and useful resources in the extension's user guide.\n[Open User's Guide](command:toSide:ada.openUsersGuide)",
                         "media": {
                             "markdown": "media/more-resources.md"
                         }