Link to GitHub Discussions

Also fixed a couple of master => main

README.md

@@ -3,9 +3,9 @@
 [![PyPI](https://img.shields.io/pypi/v/datasette.svg)](https://pypi.org/project/datasette/)
 [![Changelog](https://img.shields.io/github/v/release/simonw/datasette?label=changelog)](https://datasette.readthedocs.io/en/stable/changelog.html)
 [![Python 3.x](https://img.shields.io/pypi/pyversions/datasette.svg?logo=python&logoColor=white)](https://pypi.org/project/datasette/)
-[![Travis CI](https://travis-ci.org/simonw/datasette.svg?branch=master)](https://travis-ci.org/simonw/datasette)
+[![Travis CI](https://travis-ci.org/simonw/datasette.svg?branch=main)](https://travis-ci.org/simonw/datasette)
 [![Documentation Status](https://readthedocs.org/projects/datasette/badge/?version=latest)](http://datasette.readthedocs.io/en/latest/?badge=latest)
-[![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](https://github.com/simonw/datasette/blob/master/LICENSE)
+[![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](https://github.com/simonw/datasette/blob/main/LICENSE)
 [![docker: datasette](https://img.shields.io/badge/docker-datasette-blue)](https://hub.docker.com/r/datasetteproject/datasette)
 
 *An open source multi-tool for exploring and publishing data*
@@ -18,7 +18,8 @@ Datasette is aimed at data journalists, museum curators, archivists, local gover
 
 * Comprehensive documentation: http://datasette.readthedocs.io/
 * Examples: https://github.com/simonw/datasette/wiki/Datasettes
-* Live demo of current master: https://latest.datasette.io/
+* Live demo of current main: https://latest.datasette.io/
+* Support questions, feedback? Join our [GitHub Discussions forum](https://github.com/simonw/datasette/discussions)
 
 ## News