exporting teams from botbuilder schema (#520) (#521)

* exporting teams from botbuilder schema

* black:exporting teams from botbuilder schema

Author: axelsrz

libraries/botbuilder-schema/setup.py

@@ -24,7 +24,7 @@
     long_description_content_type="text/x-rst",
     license="MIT",
     install_requires=REQUIRES,
-    packages=["botbuilder.schema"],
+    packages=["botbuilder.schema", "botbuilder.schema.teams",],
     include_package_data=True,
     classifiers=[
         "Programming Language :: Python :: 3.7",