Add Show Transcript section to episode template

The whisper transcription files are stored one directory
deeper on archive.org. Add checks and correct path when
passed txt, srt, or vtt media_type.

templates/content-episode.tpl.html

@@ -27,6 +27,16 @@ Hosted by <a href="<!--% absolute_path(baseurl) %-->correspondents/<!--% zero_pa
 	</header>
 	<div><!--% episode.notes %--></div>
 <footer>
+
+<h2>Show Transcript</h2>
+<p>Automatically generated using <a href="https://github.com/openai/whisper">whisper</a>
+<pre><code>whisper --model tiny --language en hpr0010.wav</code></pre></p>
+
+<ul>
+	<li>Text: <a href="<!--% media_path(episode.id, episode_type, 'txt', baseurl, media_baseurl) %-->">hpr<!--% zero_pad_left(episode.id) %-->.txt</a></li>
+	<li><a href="https://en.wikipedia.org/wiki/WebVTT">WebVTT</a>: <a href="<!--% media_path(episode.id, episode_type, 'vtt', baseurl, media_baseurl) %-->">hpr<!--% zero_pad_left(episode.id) %-->.vtt</a></li>
+	<li><a href="https://en.wikipedia.org/wiki/SubRip">SubRip</a>: <a href="<!--% media_path(episode.id, episode_type, 'srt', baseurl, media_baseurl) %-->">hpr<!--% zero_pad_left(episode.id) %-->.srt</a></li>
+</ul>
 <!--% listen_now(episode, "hpr", baseurl, media_baseurl) %-->
 <p>
 <!--% episode_navigation %-->

templates/shared-utils.tpl.html

@@ -59,6 +59,12 @@
 		<!--% media_folder = "local/" %-->
 	<!--% END %-->
 	<!--% IF media_baseurl %-->
+		<!--% transcription_types = "txt srt vtt" %-->
+		<!--% USE String(transcription_types) %-->
+		<!--% USE String(media_baseurl) %-->
+			<!--% IF transcription_types.search(media_type) && media_baseurl.search('archive.org') %-->
+			<!--% media_baseurl = "${media_baseurl}hpr\$eps_id/hpr" %-->
+		<!--% END %-->
 		<!--% media_folder = "" %-->
 		<!--% media_baseurl = media_baseurl.replace('\$eps_id', zero_pad_left(episode_id)) %-->
 	<!--% END %-->