docs: update plugin documentation (#888)

Eiko Wagenknecht

2024-02-23 1929241a62b67ebd9cc9831e372ab321874d03d1

 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;