Providing doc and changelog URLs in setup.py for PyPi

URLs to documentation and Changelog have been added to setup.py in order to make it easier to access them from PyPi.

Author: Pierre-VF

packages/python/plotly/setup.py

@@ -500,7 +500,11 @@ def run(self):
     maintainer="Nicolas Kruchten",
     maintainer_email="nicolas@plot.ly",
     url="https://plotly.com/python/",
-    project_urls={"Github": "https://github.com/plotly/plotly.py"},
+    project_urls={
+        "Documentation": "https://plotly.com/python/", 
+        "Github": "https://github.com/plotly/plotly.py",
+        "Changelog": "https://github.com/plotly/plotly.py/blob/master/CHANGELOG.md",
+    },
     description="An open-source, interactive data visualization library for Python",
     long_description=readme(),
     long_description_content_type="text/markdown",