fix(modqueue): enforce role-gated access with not-allowed view

src/views/not-allowed/index.ts

@@ -0,0 +1 @@
+export { default } from './not-allowed';

src/views/not-allowed/not-allowed.tsx

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+import { Link } from 'react-router-dom';
+import { HomeLogo } from '../home';
+import NotFoundImage from '../../components/not-found-image';
+import styles from '../not-found/not-found.module.css';
+
+const NotAllowed = () => {
+  return (
+    <div className={styles.wrapper}>
+      <div className={styles.content}>
+        <HomeLogo />
+        <div className={styles.boxOuter}>
+          <div className={styles.boxInner}>
+            <div className={styles.boxBar}>
+              <h2>Not Allowed</h2>
+            </div>
+            <div className={styles.boxContent}>
+              <NotFoundImage />
+              <br />
+              <div className={styles.backToBoard}>
+                [<Link to='/'>Back to home</Link>]
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default NotAllowed;