Fix "see here..." links in info boxes.

[fbacall]

Summary of changes

• Changes the links in the various info boxes to markdown equivalents.

Motivation and context

The info boxes are rendered as markdown (for some reason), and the HTML was being filtered out

Checklist

• I have read and followed the CONTRIBUTING guide.
• I confirm that I have the authority necessary to make this contribution on behalf of its copyright owner and agree
  to license it to the TeSS codebase under the
  BSD license.