docs: update to account for github changes

Jacky Zhao

2023-03-02 aa5ab03d4ad6e7cb4d9efd3f9c177ebde7e4c4af

 assets/js/popover.js

@@ -64,6 +64,11 @@
            })

            el.classList.add("visible")
            plausible("Popover Hover", {
              props: {
                href: li.dataset.src 
              }
            })
          })
          li.addEventListener("mouseout", () => {
            el.classList.remove("visible")