[thisoldhouse] Add new extractor(closes #10837)

youtube_dl/extractor/extractors.py

@@ -892,6 +892,7 @@ from .thesixtyone import TheSixtyOneIE
 from .thestar import TheStarIE
 from .thisamericanlife import ThisAmericanLifeIE
 from .thisav import ThisAVIE
+from .thisoldhouse import ThisOldHouseIE
 from .threeqsdn import ThreeQSDNIE
 from .tinypic import TinyPicIE
 from .tlc import TlcDeIE