GitHub Pages hasn't been enabled yet. Doing so will let you apply the powers of Jekyll to the markup files you've created.
- Choose the Settings gear icon for your repository near the upper right of the page.
The Settings page appears.
- Scroll down to the section called GitHub Pages
You'll see Source subheading and a button that says None.
A Select branch dropdown appears. The dropdown lets you select a source.
- From the Select branch subheading of the dropdown choose main.
- In the next button choose /docs:
- Choose the Save button:
GitHub Pages is a publishing medium. Enabling GitHub Pages on your repo means anyone with the GitHub Pages URL to your site can view it.
GitHub allows you to create private repositories. But nothing is stopping you from enabling GitHub Pages on your private repo. Be warned that if you do so, people will be able to view GitHub Pages version of your repo.