fix: use git dates by default, @napi/git is fast enough

Jacky Zhao

2023-09-15 5dcb7e83fc3c8383ebbc84aac4553df4ad3ef59a

 quartz/components/styles/darkmode.scss

@@ -2,7 +2,7 @@
  position: relative;
  width: 20px;
  height: 20px;
  margin: 1rem;
  margin: 0 10px;

  & > .toggle {
    display: none;