Update README.md

Author: DanielEverland

README.md

@@ -3,6 +3,8 @@ Makes using Scriptable Objects as a fundamental part of your architecture in Uni
 
 Based on Ryan Hipple's 2017 Unite talk https://www.youtube.com/watch?v=raQ3iHhE_Kk
 
+Now on the [Asset Store!](https://assetstore.unity.com/packages/tools/utilities/scriptableobject-architecture-131520)
+
 # Features
 - Automatic Script Generation
 - Variables - All C# primitives