describing features in plugin

[ineagu]

@selul I was reading this : https://www.dropbox.com/s/zm4255imrz0yp3w/Screenshot%202019-07-16%2012.40.33.png?dl=0 and is not super useful or meaningful, my idea is to write more like :

"Enabling this might affect the user experience in some cases, it will, however, reduce the number of total requests and page weight. Try it out and see how works best for you!"

[selul]

🎉 This issue has been resolved in version 2.1.1 🎉

The release is available on GitHub release

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