Merge branch 'topic/readme' into 'master'

Mention VS Code extension's doc in ALS README

See merge request eng/ide/ada_language_server!1457

Author: AnthonyLeonardoGracio

README.md

@@ -133,7 +133,10 @@ It provides a full set of features including syntax highlighting, navigation, bu
 
 ### Getting Started
 
-[Tutorial: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/wiki/Getting-Started).
+Here are some links that will help you get familiar with the VS Code extension for Ada & SPARK:
+
+* [Ada & SPARK for VS Code](integration/vscode/ada/README.md).
+* [Tutorial: Using Ada in VS Code](https://github.com/AdaCore/ada_language_server/wiki/Getting-Started).
 
 ### Configuration