Update html with display name and add logout button

web/templates/view/index.html

@@ -44,7 +44,7 @@
       <span id="profile-name">{{ user['preferred_username'] }}<i class="fa-solid fa-caret-down"></i></span>
       <div class="profile-dropdown">
         <p>Mon profil</p>
-        <button>Déconnexion</button>
+        <a class="simple-btn" href="/logout" type="button">Déconnexion</a>
       </div>
     </div>
   </header>