docs: note embeds and update git hint

Jacky Zhao

2023-12-16 3c01b92cc46589ac4607d994b49f1327dba3f38e

 quartz/components/styles/darkmode.scss

@@ -21,6 +21,14 @@
  }
}

:root[saved-theme="dark"] {
  color-scheme: dark;
}

:root[saved-theme="light"] {
  color-scheme: light;
}

:root[saved-theme="dark"] .toggle ~ label {
  & > #dayIcon {
    opacity: 0;