Added entry point in conda.recipe for windows (#3419)

Author: jlstevens

conda.recipe/meta.yaml

@@ -11,7 +11,8 @@ build:
   noarch: python
   number: 0
   script: python setup.py --quiet install --single-version-externally-managed --record record.txt
-
+  entry_points:
+    - holoviews = holoviews.util.command:main
 
 requirements:
   build: