✨ 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

infra/relay.ts

@@ -0,0 +1,22 @@
+import { resolve as pathResolve } from "node:path";
+import { readFileSync as readFile } from "node:fs";
+//Copy your (known) ssh public key to the remote machine
+//ssh-copy-id "-p $port" user@host
+
+const domain = "fst.so"
+const ips = ["95.216.29.238"]
+
+// Get the hosted zone
+const zone = aws.route53.getZone({ name: domain });
+
+// Create an A record
+const record = new aws.route53.Record("Relay DNS Records", {
+    zoneId: zone.then(zone => zone.zoneId),
+    type: "A",
+    name: `relay.${domain}`,
+    ttl: 300,
+    records: ips,
+});
+
+// Export the URL
+export const url = $interpolate`https://${record.name}`;