updated readme

Author: yorek

README.md

@@ -5,6 +5,7 @@ languages:
 - javascript
 - tsql
 - sql
+- json
 products:
 - azure
 - vs-code
@@ -150,4 +151,4 @@ This project has adopted the [Microsoft Open Source Code of Conduct](https://ope
 For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
 contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
 
-More details in the full [Contributing](./CONTRIBUTING.md) page.
+More details in the full [Contributing](./CONTRIBUTING.md) page.