wip: first version without end date

Author: CrisKrus

apps/events/templates/events/event.html

@@ -108,13 +108,16 @@ <h2 class="speaker-name">{{ speaker.name }} {{ speaker.surname }}</h2>
       <h1 class="title section-title">
         <p>Agenda</p>
         <p class="section-detail"><i class="far fa-calendar-alt"></i> {{ event.start_date|as_date }}</p>
+        <a href="https://www.google.com/calendar/render?action=TEMPLATE&text={{ event.name }}&details={{ event.description }}&location={{ event.venue }}&dates={{ event.start_datetime | date:'Y-m-d' }}">Añadir a Google Calendar</a>
         {% if event.schedule_for_display and not event.closed_schedule %}
           <span class="tag is-warning is-medium not-closed-schedule">
             <i class="fas fa-info-circle"></i>
             La agenda aún no está cerrada!
           </span>
         {% endif %}
       </h1>
+      <!--20211022T164500Z%2F20211021T164200Z-->
+      <p>https://www.google.com/calendar/render?action=TEMPLATE&text={{ event.name }}&details={{ event.description }}&location={{ event.venue }}&dates={{ event.start_datetime | date:'Ymd\Thm00\Z' }}%2Fundefined</p>
 
       <div class="schedule-table">
         {% for row in event.schedule_for_display %}