[Patreon] Add PatreonUserIE (#573)

Authored by: zenerdi0de

yt_dlp/extractor/extractors.py

@@ -1006,7 +1006,10 @@ from .paramountplus import (
 )
 from .parliamentliveuk import ParliamentLiveUKIE
 from .parlview import ParlviewIE
-from .patreon import PatreonIE
+from .patreon import (
+    PatreonIE,
+    PatreonUserIE
+)
 from .pbs import PBSIE
 from .pearvideo import PearVideoIE
 from .peertube import PeerTubeIE