feat(explorer): collapsible mobile explorer (#1471)

Emile Bangma

2025-02-03 91189dfd2f4cb32e205117b327e0ae7a0c2dd716

 quartz/components/styles/legacyToc.scss

@@ -12,7 +12,7 @@
      margin: 0;
    }
  }
    

  & ul {
    list-style: none;
    margin: 0.5rem 1.25rem;