Added 3.2.1 to breaking changes info

Author: Michael-Herzog

src/Libraries/SmartStore.Core/SmartStoreVersion.cs

@@ -44,7 +44,8 @@ public static class SmartStoreVersion
 			new Version("3.0"),
 			new Version("3.1"),
 			new Version("3.1.5"),
-            new Version("3.2")
+            new Version("3.2"),
+            new Version("3.2.1")
         };
 
 		private const string HELP_BASEURL = "https://docs.smartstore.com/display/";