We built it with mdBook (<a href="https:&#x2F;&#x2F;github.com&#x2F;azerupi&#x2F;mdBook" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;azerupi&#x2F;mdBook</a>), which describes itself saying &quot;Like Gitbook but implemented in Rust&quot;