Add link to repository

[pinage404]

Hello,

I use static site generatation added here #344

It works great

I would like to be able to add a link to the repository

---

Currently, i use a script that add the link next to the Built with [CookCLI](https://cooklang.org/cli/) footer

    find \
        "$OUTPUT_BASE_PATH" \
        -iname "*.html" \
        -exec \
            sed \
                -r \
                -i \
                's@<a href="https://cooklang.org/cli/"(.*?)>CookCLI</a>@\0 ; View the <a href="https://gitlab.com/pinage404/moku"\1>repository <img src="https://img.shields.io/gitlab/stars/pinage404/moku?style=social" alt="" style="display: inline;" /></a>@' \
            {} \;