jsDelivr is a CDN for GitHub, NPM and WordPress. The easiest way to use it to host custom processor is to put the file on a GitHub repo, then release it on GitHub. Once released, the file will be accessible from jsDelivr's CDN, e.g.
https://cdn.jsdelivr.net/gh/jquery/jquery@3.2.1/dist/jquery.min.js
For more information, reference https://www.jsdelivr.com/