Add chapter headers

assets/templates/base.njk

@@ -46,15 +46,14 @@
 
 <main class="container-xl my-4">
   <div class="row justify-content-center">
+    {# A verse number is a link to itself, so the browser handles the jump and
+       the address bar; this only adds the dialog on top. Enter comes free
+       with the link, which is why there is no key handler here. #}
     <div id="content" class="col-12 col-xl-8" hx-history-elt
          hx-on:click="var verse = event.target.closest('.v[id]');
                       if (verse) htmx.ajax('GET', 'api/verse?at=' + verse.id,
                                            { target: '#verse-dialog .modal-content',
-                                             swap: 'innerHTML' });"
-         hx-on:keydown="if (event.key !== 'Enter' &amp;&amp; event.key !== ' ') return;
-                        if (!event.target.matches('.v[id]')) return;
-                        event.preventDefault();
-                        event.target.click();">
+                                             swap: 'innerHTML' });">
 {% block content %}{% endblock %}
     </div>
   </div>