Include JavaScript atoms in python package manifest

MANIFEST.in

@@ -11,7 +11,7 @@ recursive-include py/selenium/webdriver/firefox/x86 *.so
 recursive-include py/selenium/webdriver/firefox/amd64 *.so
 recursive-include py/selenium/webdriver/ie *.py
 recursive-include py/selenium/webdriver/edge *.py
-recursive-include py/selenium/webdriver/remote *.py
+recursive-include py/selenium/webdriver/remote *.py *.js
 recursive-include py/selenium/webdriver/support *.py
 include py/selenium/selenium.py
 include py/selenium/__init__.py