build(pyproject.toml): Add trove classifiers, project urls

Author: tony

pyproject.toml

@@ -7,6 +7,10 @@ version = "0.4.4"
 description = "vcs abstraction layer"
 license = "MIT"
 authors = ["Tony Narlock <tony@git-pull.com>"]
+keywords = ["libvcs"]
+classifiers = ["Development Status :: 4 - Beta", "License :: OSI Approved :: MIT License", "Environment :: Web Environment", "Intended Audience :: Developers", "Operating System :: POSIX", "Operating System :: MacOS :: MacOS X", "Programming Language :: Python", "Programming Language :: Python :: 2.7", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.5", "Programming Language :: Python :: 3.6", "Programming Language :: Python :: 3.7", "Programming Language :: Python :: Implementation :: PyPy", "Topic :: Utilities", "Topic :: System :: Shells"]
+homepage = "http://github.com/vcs-python/libvcs/"
+readme = "README.rst"
 
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.5"