[medici] Add extractor (closes #3406)

youtube_dl/extractor/extractors.py

@@ -541,6 +541,7 @@ from .mangomolo import (
 )
 from .matchtv import MatchTVIE
 from .mdr import MDRIE
+from .medici import MediciIE
 from .meipai import MeipaiIE
 from .melonvod import MelonVODIE
 from .meta import METAIE