fix(search): update no results to be `a` (#721)

Aaron Pham

2024-01-23 eb302c05b8044ccbe862a962268201db58b4423e

 quartz/components/styles/legacyToc.scss

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

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