fix: remove quartz 3 references, update font style in popovers

Jacky Zhao

2024-01-21 015b4f6a15da3b81f9e3ad004aa24636ab3882ed

 quartz/plugins/transformers/gfm.ts

@@ -31,6 +31,11 @@
            rehypeAutolinkHeadings,
            {
              behavior: "append",
              properties: {
                ariaHidden: true,
                tabIndex: -1,
                "data-no-popover": true,
              },
              content: {
                type: "text",
                value: " §",