Watch the video here https://youtu.be/UhTtKF-ZkpQ
This video shows you how to set up hugo, so you can output alerts like the following, from markdown files.
This is a standard blockquote
Caution
Advises about risks or negative outcomes of certain actions.'
Important
Key information users need to know to achieve their goal.
Note
Useful information that users should know, even when skimming content.
Tip
Helpful advice for doing things better or more easily.
Warning
Urgent info that needs immediate user attention to avoid problems.