Here's how to do markdown :) Note that you can look at the raw source of this document, which is here
To embed a link, you can simply put something like this in a file:
[This links to mtzionsmarr.com](http://mtzionsmarr.com)
and it renders like this: This links to mtzionsmarr.com
To do headers and what not, you can precede a line with a hash: