Simplify the way javascript is loaded (we don't have that many scripts running) and use data attribute to instantiate grid and tables

templates/set.html

@@ -12,15 +12,4 @@
     </div>
   </div>
 </div>
-<script type="text/javascript">
-  document.addEventListener("DOMContentLoaded", () => {
-    baguetteBox.run('[data-lightbox]');
-    setup_changers();
-  });
-</script>
 {% endblock %}
-
-{% block scripts %}
-<script src="{{ url_for('static', filename='scripts/changer.js') }}"></script>
-<script src="{{ url_for('static', filename='scripts/set.js') }}"></script>
-{% endblock %}