test: add k6 test js

asserts/k6test.js

@@ -0,0 +1,16 @@
+import http from 'k6/http';
+import {check, sleep} from 'k6';
+
+export const options = {
+    rps: 4500,
+    vus: 10,
+    duration: '5m',
+};
+
+export default function () {
+    const res = http.get('http://localhost:8082/app/test');
+    check(res, {
+        'status is 200': (r) => r.status === 200,
+    });
+    sleep(1);
+}