Update showcase.md (#1611)

plyght

2024-11-22 e1d754ef79e8c04d6fe0f9031ce74baf48d3bb10

 quartz/components/Header.tsx

@@ -1,6 +1,6 @@
import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
import { QuartzComponent, QuartzComponentConstructor, QuartzComponentProps } from "./types"

function Header({ children }: QuartzComponentProps) {
const Header: QuartzComponent = ({ children }: QuartzComponentProps) => {
  return children.length > 0 ? <header>{children}</header> : null
}