Add support for Mattermost Custom URL scheme on macOS
MacOS recently added support for custom URL schemes which allows other apps and browsers to open permalinks to content in the native app (rather than in the browser).
The use case would be that when you get an email to a Mattermost permalink, and you click on it in Safari, it'll open in the Mattermost app rather than a new tab in Safari.
The instructions to adopt custom URL schemes can be found here:
Thanks a lot for a great product!
Here's what a link to a Mail message looks like (for reference):
clicking that link would open the right message in Mail.app.