feat(auth): [PM-8221] implement device verification for unknown devices

Add device verification flow that requires users to enter an OTP when logging in from an unrecognized device. This includes:

- New device verification route and guard
- Email OTP verification component
- Authentication timeout handling

PM-8221

libs/angular/src/auth/components/authentication-timeout.component.ts

@@ -0,0 +1,25 @@
+import { CommonModule } from "@angular/common";
+import { Component } from "@angular/core";
+import { RouterModule } from "@angular/router";
+
+import { JslibModule } from "@bitwarden/angular/jslib.module";
+import { ButtonModule } from "@bitwarden/components";
+
+/**
+ * This component is used to display a message to the user that their authentication session has expired.
+ * It provides a button to navigate to the login page.
+ */
+@Component({
+  selector: "app-authentication-timeout",
+  standalone: true,
+  imports: [CommonModule, JslibModule, ButtonModule, RouterModule],
+  template: `
+    <p class="tw-text-center">
+      {{ "authenticationSessionTimedOut" | i18n }}
+    </p>
+    <a routerLink="/login" bitButton block buttonType="primary">
+      {{ "logIn" | i18n }}
+    </a>
+  `,
+})
+export class AuthenticationTimeoutComponent {}