Update to add YouTube playlist

Update to add YouTube playlist.

Author: stilett0

posts/00495_20210221_mame

@@ -19,3 +19,7 @@ recorded.</p>
 <p><iframe width="560" height="315" src="https://www.youtube.com/embed/9UlIWLnIzY8?rel=0" frameborder="0" allowfullscreen></iframe></p>
 
 <p>Slides are available on FOSDEM's <a href="https://fosdem.org/2021/schedule/event/mame/attachments/slides/4494/export/events/attachments/mame/slides/4494/slides.pdf">website.</a></p>
+
+<p>Update: We've now also added a playlist where you can view most past presentations
+(CAX 2008, Summer Assembly 2009, Revision 2012, BalCCon2k15, CppCon 2016, Ekoparty 13 (2017), Ekoparty 14 (2018), FOSDEM '21)
+to our YouTube channel: <a href="https://www.youtube.com/playlist?list=PLMof4txXwGz3g_WJOtsX3FlGq_KT7WCeg">https://www.youtube.com/playlist?list=PLMof4txXwGz3g_WJOtsX3FlGq_KT7WCeg</a>