Merge pull request #6739 from TerryGLee/tglee-oneoff

add link to Visual Studio for Mac IDE content

Author: PRMerger17

docs/xaml-tools/xaml-code-editor.md

@@ -297,3 +297,4 @@ To learn more about how to edit your code in real time while you're running your
 - [Visual Studio code editor features](../ide/writing-code-in-the-code-and-text-editor.md)
 - [XAML in UWP apps](/windows/uwp/xaml-platform/xaml-overview/)
 - [XAML in Xamarin.Forms apps](/xamarin/xamarin-forms/xaml/)
+- [Visual Studio 2019 for Mac - IDE tour](/visualstudio/mac/ide-tour/)