chore: refactor out and export endsWith

Jacky Zhao

2024-02-11 ab0e20b4d0ad1e650126ffd0afa7d0ed6bd46da2

 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;
}