Merge pull request #250 from jchanvfx/updated_setup_#222

updated setup #222

Author: jchanvfx

setup.cfg

@@ -0,0 +1,31 @@
+[metadata]
+license = MIT License
+license_file = LICENSE.md
+long_description = file: README.md
+long_description_content_type = text/markdown
+description = Node graph framework for PySide2/PyQt5 that can be
+              implemented and re-purposed into applications.
+classifiers = Operating System :: OS Independent
+              License :: OSI Approved :: MIT License
+              Programming Language :: Python :: 3.6
+url = https://github.com/jchanvfx/NodeGraphQt
+project_urls = 
+    Documentation = https://jchanvfx.github.io/NodeGraphQt/api/html/index.html
+    Source = https://github.com/jchanvfx/NodeGraphQt/
+    Tracker = https://github.com/jchanvfx/NodeGraphQt/issues
+
+[options]
+packages = find:
+include_package_data = True
+python_requires = >=3.6
+install_requires =
+    Qt.py>=1.2.0
+
+[options.extras_require]
+PySide2 = PySide2>=5.15
+
+[options.packages.find]
+exclude = example_nodes
+
+[options.package_data]
+NodeGraphQt = widgets/icons/node_base.png