add disclaimer

allianceauth/authentication/templates/authentication/tokens.html

@@ -25,6 +25,7 @@
                 {% endfor %}
             </tbody>
         </table>
+        {% translate "This page is a best attempt, but backups or database logs can still contain your tokens. Always revoke tokens on https://community.eveonline.com/support/third-party-applications/ where possible."|urlize %}
     </div>
 {% endblock %}