perf: compute mapping of folder name to file data for faster breadcrumbs

Jacky Zhao

2023-11-12 43d638a6de5a8a11c1a719c596b07ea957c7329a

 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;
}