feat: support rich descriptions in tag listing page (closes #908)

Jacky Zhao

2024-03-18 91f0a2abb2d186801244a0b63b64604ac7505031

 quartz/components/pages/TagContent.tsx

@@ -52,8 +52,14 @@
              allFiles: pages,
            }

            const contentPage = allFiles.filter((file) => file.slug === `tags/${tag}`)[0]
            const content = contentPage?.description
            const contentPage = allFiles.filter((file) => file.slug === `tags/${tag}`).at(0)

            const root = contentPage?.htmlAst
            const content =
              !root || root?.children.length === 0 
                ? contentPage?.description
                : htmlToJsx(contentPage.filePath!, root)

            return (
              <div>
                <h2>