Annotations are really powerful. They can be plain text, but they can also be written in Markdown, which is rendered in a firebase cloud function by remark.
This means all you need to do to include other web media as an annotation is to put a URL linking to it on a new line in your annotation!
annotations can be written like this:
### This is the input text for a sample annotation!
annotations can include [links](https://developer.mozilla.org/en-US/docs/Glossary/Hyperlink) or embedded media!
for example, here is a video about markdown!
Then they are rendered like this: