index.html: reset tips (devel-mode)

browser/index.html

@@ -293,6 +293,7 @@
                     <a class="buttonSelector getHelp" onclick="report.sendMail()">get support</a>
                     <a class="buttonSelector" href="http://www.vidjil.org/doc/user.html" target="_blank">manual</a>
                     <a class="buttonSelector" href="http://www.vidjil.org/doc/tutorial/mastering-vidjil.html" target="_blank">tutorial</a>
+                    <a class="buttonSelector devel-mode" onclick="my_tips.reset()">reset tips of the day</a>
                 </div></div>
                 </div>