Add id to the transcription h2

Author: pbinkley

_layouts/section.html

@@ -23,7 +23,7 @@
         <img src="web/{{ page.image }}.jpg"/>
       {% if next %}</a>{% endif %}
     </div>
-    <h2>Transcription</h2>
+    <h2 id="transcription">Transcription</h2>
     {% endif %}
     {% if site.keeph2 || page.keeph2 %}
       {{ content }}