64 Into video: turn caption on by default (#201)

Author: mr-c

content/_includes/home/video-player.html

@@ -45,5 +45,6 @@
     ],
     title: 'Common Workflow Language explained in 64 seconds',
     options: ['captions', 'quality', 'speed', 'loop'],
+    captions: { active: true, language: 'auto' }
   });
 </script>