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

Jacky Zhao

2023-09-07 2525bfbab5553f970997ea3c60af180cbef1fdd2

 quartz/components/Header.tsx

@@ -9,7 +9,7 @@
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 2em 0;
  margin: 2rem 0;
  gap: 1.5rem;
}