✨ feat: Host a relay on Hetzner (#114)

We are hosting a [MoQ](https://quic.video) relay on a remote (bare
metal) server on Hetzner

With a lot of help from @victorpahuus

packages/moq/common/download.ts

@@ -0,0 +1,18 @@
+// Utility function to download a Uint8Array for debugging.
+export function download(data: Uint8Array, name: string) {
+	const blob = new Blob([data], {
+		type: "application/octet-stream",
+	})
+
+	const url = window.URL.createObjectURL(blob)
+
+	const a = document.createElement("a")
+	a.href = url
+	a.download = name
+	document.body.appendChild(a)
+	a.style.display = "none"
+	a.click()
+	a.remove()
+
+	setTimeout(() => window.URL.revokeObjectURL(url), 1000)
+}