Add Google Group to Feedback README section and badge.

README.md

@@ -1,4 +1,5 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/catalogicsoftware/kubedr)](https://goreportcard.com/report/github.com/catalogicsoftware/kubedr)
+[![Discuss at [email protected]](https://img.shields.io/badge/discuss-kubedr--discuss%40googlegroups.com-blue)](https://groups.google.com/d/forum/kubedr-discuss)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![Open Source Love svg2](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/ellerbrock/open-source-badges/)
 
@@ -69,9 +70,12 @@ see below:
 
 ## Feedback
 
-We would love to hear feedback from users. Please feel free to open
+We would love to hear feedback from our users. Please feel free to open
 issues for bugs as well as for any feature requests.
 
-Please note that the project is in Alpha state so there may be many
+For any questions and discussions, please join us over at our Google Group:
+[kubedr-discuss](https://groups.google.com/d/forum/kubedr-discuss).
+
+Please note that the project is in Alpha so there may be many
 corner cases where things may not work as expected. We are actively
-working on fixing any bugs and on adding new features.
+working on fixing any bugs and on adding new features.