This plugin will allow you to draw direcly in mattermost and upload the result as an image attachment.
Besides allow you to open local images, edit them and upload.
- Go to the releases page of this GitHub repository and download the latest release for your Mattermost server.
- Upload this file in the Mattermost System Console > Plugins > Management page to install the plugin, and enable it. To learn more about how to upload a plugin, see the documentation.
- Start using your plugin and have fun.