README: Add Communication section with Forum information (#673)

README.md

@@ -19,6 +19,19 @@ As this is an independent collection, it can be released on its own release cade
 
 If you like this collection please give us a rating on [Ansible Galaxy](https://galaxy.ansible.com/community/mongodb).
 
+## Communication
+
+* Join the Ansible forum:
+  * [Get Help](https://forum.ansible.com/c/help/6): get help or help others.
+  * [Posts tagged with 'your tag'](https://forum.ansible.com/tag/YOUR_TAG): subscribe to participate in collection-related conversations.
+  * [Refer to your forum group here if exists](https://forum.ansible.com/g/): by joining the team you will automatically get subscribed to the posts tagged with [your group forum tag here](https://forum.ansible.com/tags).
+  * [Social Spaces](https://forum.ansible.com/c/chat/4): gather and interact with fellow enthusiasts.
+  * [News & Announcements](https://forum.ansible.com/c/news/5): track project-wide announcements including social events.
+
+* The Ansible [Bullhorn newsletter](https://docs.ansible.com/ansible/devel/community/communication.html#the-bullhorn): used to announce releases and important changes.
+
+For more information about communication, see the [Ansible communication guide](https://docs.ansible.com/ansible/devel/community/communication.html).
+
 ## Collection contents
 
 ### Roles