Update README.md

Author: elanatframework

README.md

@@ -27,6 +27,8 @@ PostBackOptions.ConnectionErrorMessage = "Connection Error";
 PostBackOptions.AutoSetSubmitOnClick = true;
 PostBackOptions.SendDataOnlyByPostMethod = false;
 PostBackOptions.ResponseLocation = document.body;
+PostBackOptions.WebFormsTagsBackgroundColor = "#eee";
+PostBackOptions.SetResponseInsideDivTag = true;
 ```
 WebFormsJS options:
 
@@ -36,6 +38,8 @@ WebFormsJS options:
 - AutoSetSubmitOnClick: Enabling this option makes submit type inputs automatically send data through WebFormsJS.
 - SendDataOnlyByPostMethod: Enabling this option causes the data to be sent with the Post method; Therefore, the form method is ignored.
 - ResponseLocation: When there is no action control, it specifies the location of the server's responses.
+- WebFormsTagsBackgroundColor: Before rendering the web-forms tags, it gives a default color to their background to improve the user experience.
+- SetResponseInsideDivTag: Enabling this option determines whether the server response will be placed inside the div tag or not.
 
 ## Action Controls