Add option to logout

templates/flash_msg.html

@@ -0,0 +1,10 @@
+{% with messages = get_flashed_messages() %}
+  {% if messages %}
+    {% for message in messages %}
+      <div class="alert alert-success alert-dismissible fade show" role="alert">
+        {{ message }}
+        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+      </div>
+    {% endfor %}
+  {% endif %}
+{% endwith %}