docs: make setting upstream more clear, docs on npx quartz restore

Jacky Zhao

2023-08-20 d205eb568686a718cae889d51fde5ae18d352b30

 quartz/components/PageList.tsx

@@ -56,7 +56,7 @@
                  <li>
                    <a
                      class="internal tag-link"
                      href={resolveRelative(fileData.slug!, `tags/${tag}/index` as FullSlug)}
                      href={resolveRelative(fileData.slug!, `tags/${tag}` as FullSlug)}
                    >
                      #{tag}
                    </a>