[uplynk] Add new extractor

youtube_dl/extractor/extractors.py

@@ -926,6 +926,10 @@
 from .digiteka import DigitekaIE
 from .unistra import UnistraIE
 from .uol import UOLIE
+from .uplynk import (
+    UplynkIE,
+    UplynkPreplayIE,
+)
 from .urort import UrortIE
 from .urplay import URPlayIE
 from .usatoday import USATodayIE