I replaced 3-space by 2-space indentation (which makes editing way easier for most people), and replaced single quotes by double quotes (some folks might want to wrap it all in single quotes depending on what they use to apply it to Slack) in the README sample code.
I replaced 3-space by 2-space indentation (which makes editing way easier for most people), and replaced single quotes by double quotes (some folks might want to wrap it all in single quotes depending on what they use to apply it to Slack) in the README sample code.