Put an example on the main page
Update examples to draft v4
"minimum" is inclusive by default, not exclusive
Merge pull request #53 from fge/gh-pages

First batch of small changes
Merge pull request #54 from geraintluff/gh-pages-working

Geraint Luff (3):
      Put an example on the main page
      Update examples to draft v4
      "minimum" is inclusive by default, not exclusive
examples.html: update gists

* Add "$schema" everywhere.
* Add "description" as well.