This is yet another way to export GitHub issues to a csv file. The thing which might be different about it, is that it can be completely hosted on GitHub pages. This is due to the fact that the GitHub search api works without any authentication (although rate limits do apply).
If you are not willing to use Powerpoint/ Keynote for your slides and still want to host your slides somewhere where anyone can access them easily in a browser, the following setup might be interesting. Basically you just create a GitHub repository with default branch gh-pages and push a single index.html file to it. For your slides, you can use a framework like reveal.js, load it from a CDN to keep your repository lean and then create your basic content as follows.
Have you ever heard of this strange thing called client certificates or did you ever encounter this strange popup?