adding project url

setup.py

@@ -33,7 +33,7 @@ setup(name='manipylator',
       long_description_content_type="text/markdown",
       author="Arthur Michaut",
       author_email="arthur.michaut@gmail.com",
-      url="",
+      url="https://gitlab.pasteur.fr/amichaut/manipylator/",
       download_url="",
       license="GPLv3",
       classifiers=[