[patreon] Add support for embedlies (fixes #4969)

youtube_dl/extractor/__init__.py

@@ -121,6 +121,7 @@ from .ellentv import (
     EllenTVClipsIE,
 )
 from .elpais import ElPaisIE
+from .embedly import EmbedlyIE
 from .empflix import EMPFlixIE
 from .engadget import EngadgetIE
 from .eporner import EpornerIE