fix: links to index not showing in graph (closes #450)

Jacky Zhao

2023-09-07 2525bfbab5553f970997ea3c60af180cbef1fdd2

 quartz/components/styles/darkmode.scss

@@ -2,6 +2,7 @@
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0 10px;

  & > .toggle {
    display: none;