Update README.md

Author: patricoos

README.md

@@ -69,6 +69,17 @@ public class OdooProductProduct : IOdooModel
     public int ProductTmplId { get; set; }
     
     ...
+    
+    // Type of the exception activity on record.
+    [JsonConverter(typeof(StringEnumConverter))]
+    public enum ActivityExceptionDecorationOdooEnum
+    {
+        [EnumMember(Value = "warning")]
+        Alert = 1,
+
+        [EnumMember(Value = "danger")]
+        Error = 2,
+    }
 ```