docs: Update link to callouts documentation (#300)

Daniel Lazaro

2023-03-18 74fe4d6813dfce9760464141410b683bd8964d45

 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")