engine.rb in onebox-1.7.3

- old
+ new

@@ -169,5 +169,7 @@
 require_relative "engine/replit_onebox"
 require_relative "engine/asciinema_onebox"
 require_relative "engine/mixcloud_onebox"
 require_relative "engine/bandcamp_onebox"
 require_relative "engine/coub_onebox"
+require_relative "engine/flickr_onebox"
+require_relative "engine/five_hundred_px_onebox"