== Actors ==
 * **Unsigned-in User**

== Steps ==
 1. The user clicks on the sign-in button.
 2. The user enters their credentials.
    * If the credentials are correct, the user is redirected to the application’s home page.
    * If the credentials are incorrect, the user can try logging in again (up to 3 attempts).
 3. The user is redirected to the home page.