Is your feature request related to a problem? Please describe.
There is already a working version that supports HTMLHint via browser.
When we work on #277, we lose this feature :(

Describe the solution you'd like
Deliver an HTMLHint version that can be executed in the browser via a CDN
This allows old school HTML developers and young developers to easily add a script tag
<script src="proxy.php?url=https://...cdn.../HTMLHint-0.10.0.min.js" />
This inserts HTMLHint into the global scope