feat: Added k6 performance tests

simulations/enduranceTest.js

@@ -0,0 +1,15 @@
+import { chessUserJourney } from '../scenarios/chessUserScenario.js';
+import { thresholds } from '../config.js';
+
+const CONCURRENT_USERS = parseInt(__ENV.CONCURRENT_USERS || '3', 10);
+const DURATION = parseInt(__ENV.DURATION || '300', 10);
+
+export const options = {
+  vus: CONCURRENT_USERS,
+  duration: `${DURATION}s`,
+  thresholds,
+};
+
+export default function () {
+  chessUserJourney();
+}