Add a tip about the use of EditorConfig for indentation settings

Author: sharwell

documentation/Configuration.md

@@ -65,6 +65,11 @@ The following properties are used to configure basic indentation in StyleCop Ana
 | `tabSize` | **4** | The width of a hard tab character in source code. This value is used when converting between tabs and spaces. |
 | `useTabs` | **false** | **true** to indent using hard tabs; otherwise, **false** to indent using spaces |
 
+> :bulb: When working in Visual Studio, the IDE will not automatically adjust editor settings according to the values in
+> **stylecop.json**. To provide this functionality as well, we recommend duplicating the basic indentation settings in a
+> [**.editorconfig**](http://editorconfig.org/) file. Users of the [EditorConfig](https://visualstudiogallery.msdn.microsoft.com/c8bccfe2-650c-4b42-bc5c-845e21f96328)
+> extension for Visual Studio will no need to update their C# indentation settings in order to match your project style.
+
 ## Spacing Rules
 
 This section describes the features of spacing rules which can be configured in **stylecop.json**. Each of the described properties are configured in the `spacingRules` object, which is shown in the following sample file.