You can as well build the site locally (e.g., on your computer) first and commit the .html files in your page repo. GitHub pages will then serve your .html files directly without having to build your site using Jekyll. This is what I used to do when hosting my site on github pages:
- locally install jekyll
- write my .md files
- run jekyll locally to see how my site looks like
- commit .md and .html files
- let github pages know what you are pushing the static files yourself
- locally install jekyll
- write my .md files
- run jekyll locally to see how my site looks like
- commit .md and .html files
- let github pages know what you are pushing the static files yourself