Implemented users

Changed DB type to MySQL
Cried

templates/mobile.html

@@ -8,7 +8,13 @@
             {% include "list.html" %}
 
         </div>
-
+        <div id="logout">
+            <form action="/post" method="POST">
+                <button  type="submit" name="logout" class="btn btn-secondary"><i style="padding-top: 3px;" class="material-icons">
+                    exit_to_app
+                    </i></button>
+            </form>
+        </div>
         <!-- jQuery library -->
         <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>