perf(turn): lower TURN-latency due to more local servers

lib/util.ts

@@ -14,7 +14,18 @@ const DEFAULT_CONFIG = {
 	iceServers: [
 		{ urls: "stun:stun.l.google.com:19302" },
 		{
-			urls: "turn:0.peerjs.com:3478",
+			urls: [
+				"turn:eu-0.turn.peerjs.com:3478",
+				"turn:eu-1.turn.peerjs.com:3478",
+			],
+			username: "peerjs",
+			credential: "peerjsp",
+		},
+		{
+			urls: [
+				"turn:us-0.turn.peerjs.com:3478",
+				"turn:us-1.turn.peerjs.com:3478",
+			],
 			username: "peerjs",
 			credential: "peerjsp",
 		},