perf: don't load mermaid if its not on the page

Jacky Zhao

2024-02-06 34334eabed151cf5fa881d6b34f75107a2d3871e

 quartz/components/renderPage.tsx

@@ -104,7 +104,9 @@
                type: "element",
                tagName: "a",
                properties: { href: inner.properties?.href, class: ["internal"] },
                children: [{ type: "text", value: `Link to original` }],
                children: [
                  { type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
                ],
              },
            ]
          }