Draft: Home page statistics block

Seeing the last point from #4, it would be simple to implement on the home page, if we want?

Code mock-up

The homepage could then have something like the following markup? This would be in the index.md file:

<stats-block>
  <stats-item label="Nodes" value="111" />
  <stats-item label="Students" value="222" />
  <stats-item label="Instructors" value="333" />
</stats-block>

Homepage mock-up

This could then end up looking like this initial mock-up.