Add PyPI classifiers

setup.cfg

@@ -10,19 +10,30 @@ license = MIT
 license_file = LICENSE
 keywords = nhl, hockey, sports, stats, analysis, api
 classifiers =
-    Development Status :: 1 - Planning,
+    Development Status :: 3 - Alpha
     Intended Audience :: Developers,
     Intended Audience :: Education,
     Intended Audience :: Science/Research,
-    License :: OSI Approved :: MIT License,
+    License :: OSI Approved :: MIT License
+    Operating System :: MacOS :: MacOS X
+    Operating System :: Microsoft :: Windows
+    Operating System :: POSIX :: Linux
     Programming Language :: Python :: 3.6,
     Programming Language :: Python :: 3.7,
+    Programming Language :: Python :: 3.8,
+    Programming Language :: Python :: 3.9,
     Programming Language :: Python :: 3 :: Only,
+    Topic :: Software Development :: Libraries :: Python Modules
+project_urls =
+    Source = https://github.com/mhostetter/nhl
+    Issues = https://github.com/mhostetter/nhl/issues
+    Documentation = https://nhl.readthedocs.io/en/stable/
+    Discuss = https://github.com/mhostetter/nhl/discussions
 
 [options]
-python_requires = >=3.6
 packages = nhl
 test_suite = tests
+python_requires = >=3.6
 install_requires =
     dataclasses
     requests