Merge pull request #6099 from consideRatio/communications-in-readme

Update communication channels in readme

README.md

@@ -10,8 +10,10 @@
 [![PyPI version](https://badge.fury.io/py/jupyterlab.svg)](https://badge.fury.io/py/jupyterlab)
 [![Build Status](https://dev.azure.com/jupyterlab/jupyterlab/_apis/build/status/jupyterlab.jupyterlab?branchName=master)](https://dev.azure.com/jupyterlab/jupyterlab/_build/latest?definitionId=1&branchName=master)
 [![Documentation Status](https://readthedocs.org/projects/jupyterlab/badge/?version=stable)](http://jupyterlab.readthedocs.io/en/stable/)
-[![Google Group](https://img.shields.io/badge/-Google%20Group-lightgrey.svg)](https://groups.google.com/forum/#!forum/jupyter)
-[![Join the Gitter Chat](https://img.shields.io/gitter/room/nwjs/nw.js.svg)](https://gitter.im/jupyterlab/jupyterlab)
+[![GitHub](https://img.shields.io/badge/issue_tracking-github-blue.svg)](https://github.com/jupyterlab/jupyterlab/issues)
+[![Discourse](https://img.shields.io/badge/help_forum-discourse-blue.svg)](https://discourse.jupyter.org/c/jupyterlab)
+[![Gitter](https://img.shields.io/badge/social_chat-gitter-blue.svg)](https://gitter.im/jupyterlab/jupyterlab)
+
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyterlab/jupyterlab-demo/master?urlpath=lab/tree/demo)
 
 An extensible environment for interactive and reproducible computing, based on the
@@ -186,16 +188,16 @@ To be listed, please submit a pull request with your information.
 
 ## Getting help
 
-We encourage you to ask questions on the [mailing list](https://groups.google.com/forum/#!forum/jupyter),
-and participate in development discussions or get live help on [Gitter](https://gitter.im/jupyterlab/jupyterlab). Please use the [issues page](https://github.com/jupyterlab/jupyterlab/issues) to provide feedback or submit a bug report.
+We encourage you to ask questions on the [Discourse forum](https://discourse.jupyter.org/c/jupyterlab). A question answered there can become a useful resource for others.
+
+Please use the [GitHub issues page](https://github.com/jupyterlab/jupyterlab/issues) to provide feedback or submit a bug report.
 
 ### Weekly Dev Meeting
 
-We have meetings every week where we discuss what we have been working on and get feedback from one another.
+We have videoconference meetings every week where we discuss what we have been working on and get feedback from one another.
 
 Anyone is welcome to attend, if they would like to discuss a topic or just to listen in.
 
 - When: Wednesdays 9AM PT
 - Where: [`calpoly/jupyter` Zoom](https://calpoly.zoom.us/my/jupyter)
 - What: [Meeting notes on Dropbox Paper](https://paper.dropbox.com/doc/JLab-Dev-Meeting-Minutes-2019--AZlv6L3jnv8ntl6kJK88y5M5Ag-Lj0P4kI2JrbA0eXHZSdY5)
-