- Check for color 0 in JS

- Fix error with frag usage

ChatTwo/Http/MessageProtocol/DataStructure.cs

@@ -65,6 +65,8 @@ public struct MessageTemplate()
 
     /// <summary>
     /// Used for text and url
+    ///
+    /// Ignore if 0!
     /// </summary>
     [JsonProperty("color")] public uint Color;