Added K6 tests, Added Lighthouse test result

docs/Testresults/20251010_QA_K6_16VUs30s.txt

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+  █ TOTAL RESULTS 
+
+    checks_total.......: 2016    65.329201/s
+    checks_succeeded...: 100.00% 2016 out of 2016
+    checks_failed......: 0.00%   0 out of 2016
+
+    ✓ authorized request succeeded
+
+    HTTP
+    http_req_duration..............: avg=13.38ms min=4.54ms med=11.01ms max=993.51ms p(90)=18.27ms p(95)=21.24ms
+      { expected_response:true }...: avg=13.38ms min=4.54ms med=11.01ms max=993.51ms p(90)=18.27ms p(95)=21.24ms
+    http_req_failed................: 0.00%  0 out of 4044
+    http_reqs......................: 4044   131.047267/s
+
+    EXECUTION
+    iteration_duration.............: avg=27.16ms min=14.2ms med=20.91ms max=1s       p(90)=34ms    p(95)=38.13ms
+    iterations.....................: 2016   65.329201/s
+    vus............................: 16     min=16        max=16
+    vus_max........................: 16     min=16        max=16
+
+    NETWORK
+    data_received..................: 73 MB  2.4 MB/s
+    data_sent......................: 2.0 MB 66 kB/s

tests/k6/loadtest.js

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+import http from 'k6/http';
+import { check } from 'k6';
+
+export let options = {
+  vus: 16, // number of virtual users
+  duration: '30s', // test duration
+};
+export default function () {
+  let environment = "http://localhost:5275";
+  let username = "admin";
+  let password = "admin";
+  // Step 1: login, disable redirect following
+  let loginRes = http.post(
+    environment + '/Home/Login',
+    { Username: username, Password: password },
+    { redirects: 0 }
+  );
+
+  // Step 2: extract the auth cookie manually
+  const setCookieHeader = loginRes.headers['Set-Cookie'];
+
+  // Use a regex to extract the cookie value
+  const match = setCookieHeader.match(/\.AspNetCore\.Cookies=([^;]+)/);
+  const authCookie = match ? match[1] : null;
+
+  if (!authCookie) {
+    throw new Error('Login failed: no auth cookie found');
+  }
+
+  // Step 3: use it on a protected page
+  const headers = { Cookie: `.AspNetCore.Cookies=${authCookie}` };
+  const res = http.get(environment + '/Home/Assets', { headers });
+
+  check(res, {
+    'authorized request succeeded': (r) => r.status === 200,
+  });
+}