Note enhancements - Markdown, bold heading

It would be cool if we could use markdown in Codebook Notes, just like in these forum posts.

Additionally, it would be great if, in read mode, the heading was set as bold in the UI for a little visual breakup.

Hi @rickcogley

We agree that Markdown support could be a nice feature to have for the notes portion of the application. We will keep track of this topic to see if others show interest as well. Thanks!

Thanks @developernotes Nick.

In case someone is not aware, Markdown is an easy way to enter html formatting, in a text note. For example using asterisks at the beginning of lines convert to bullet points, putting #s at the beginning of a line to convert to headings, like:

## This is an h3

… or adding links via a syntax like this: [The Link Text](