readme update
readme update

ramirogm/google-analytics-plugin,danwilson/google-analytics-plugin,Anu2g/google-analytics-plugin,ramirogm/google-analytics-plugin,Anu2g/google-analytics-plugin,danwilson/google-analytics-plugin,ramirogm/google-analytics-plugin,Anu2g/google-analytics-plugin,danwilson/google-analytics-plugin