Update README

Author: jacobjones

README.md

@@ -1,9 +1,9 @@
-# Configurable Color Picker for Episerver
+# Configurable Color Picker for Optimizely CMS
 
 ![Configurable Color Picker](https://raw.githubusercontent.com/jacobjones/DoubleJay.Epi.ConfigurableColorPicker/master/images/configurable-color-picker.png)
 
 ## Description
-This package provides an easy-to-use color picker for Episerver—which allows full configurability of the color palette.
+This package provides an easy-to-use color picker for Optimizely CMS allows full configurability of the color palette.
 
 ## Features
 * Available colors are fully configurable
@@ -13,15 +13,24 @@ This package provides an easy-to-use color picker for Episerver—which allows f
 
 ## Getting started
 ### Installation
-* The NuGet package can be installed from the [Episerver NuGet feed](https://nuget.episerver.com/feed/)
-* See the installation details here: https://nuget.episerver.com/package/?id=DoubleJay.Epi.ConfigurableColorPicker
+* The NuGet package can be installed from the [Optimizely NuGet feed](https://nuget.optimizely.com/feed/)
+* See the installation details here: https://nuget.optimizely.com/package/?id=DoubleJay.Epi.ConfigurableColorPicker
 
 ### Configuration & Usage
+In CMS 12, to register you should call the `AddConfigurableColorPicker` method in your startup class `ConfigureServices` method::
+
+```cs
+public void ConfigureServices(IServiceCollection services)
+{
+    services.AddConfigurableColorPicker();
+}
+```
+
 **Version 2** added the ability to name palettes and use these throughout the website, as such, configuration and usage changed significantly. Breaking changes are listed in the [documentation](https://github.com/jacobjones/DoubleJay.Epi.ConfigurableColorPicker/wiki).
 
 Please consult with the relevant documentation for further details:
 
-* [Version 2](https://github.com/jacobjones/DoubleJay.Epi.ConfigurableColorPicker/wiki/Usage-%28Version-2%29)
+* [Version 2+](https://github.com/jacobjones/DoubleJay.Epi.ConfigurableColorPicker/wiki/Usage-%28Version-2%29)
 * [Version 1](https://github.com/jacobjones/DoubleJay.Epi.ConfigurableColorPicker/wiki/Usage-%28Version-1%29)
 
 ### Further Information