refactor: rename _partials to _includes

source/_includes/talk/video.html.twig

@@ -0,0 +1,28 @@
+{% macro videoSrc(video) %}
+    {% set srcUrls = {
+        youtube: '//www.youtube.com/embed',
+        videopress: 'https://videopress.com/embed',
+        vimeo: 'https://player.vimeo.com/video',
+    } %}
+
+    {{ srcUrls[video.type] ~ '/' ~ video.id }}
+{% endmacro %}
+
+{% from _self import videoSrc %}
+
+{% if video.id %}
+    <div class="mt-4">
+        <h2 class="mb-2">Video</h2>
+
+        <div class="video-full">
+            <iframe
+                width="678"
+                height="408"
+                src="{{ videoSrc(video) }}"
+                frameborder="0"
+                allowfullscreen
+            >
+            </iframe>
+        </div>
+    </div>
+{% endif %}