configure setups for pypi

setup.cfg

+# Inside of setup.cfg
+[metadata]
+description-file = README.md

setup.py

@@ -42,6 +42,8 @@ setup_dict = {'name': 'navipy',
               'author_email': 'olivier.bertrand@uni-bielefeld.de',
               'description': 'Insect Navigation Toolbox',
               'packages': create_package_list("navipy"),
+              'url': "https://gitlab.ub.uni-bielefeld.de/olivier.bertrand/navipy.git",
+              'download_url': '',
               'requires': ['numpy',
                            'pandas',
                            'matplotlib',