Modernize setup files

- [ ] Towards #45

setup.cfg

@@ -0,0 +1,67 @@
+[sdist]
+formats = gztar
+
+[check-manifest]
+ignore =
+    *.yml
+    *.yaml
+    .coveragerc
+    docs
+    docs/*
+    *.enc
+    notebooks
+    notebooks/*
+    tests
+    tests/*
+
+[flake8]
+max-line-length = 105
+select = C,E,F,W,B,B950
+ignore = E203, E501, W503
+exclude = xmovie/_version.py
+
+
+[metadata]
+name = xmovie
+description = Simply create beautiful movies from xarray objects
+author = xmovie developers
+url=https://github.com/jbusecke/xmovie
+license = MIT
+license_file = LICENSE
+
+## These need to be filled in by the author!
+# For details see: https://pypi.org/classifiers/
+
+classifiers =
+    Development Status :: 4 - Beta
+    Topic :: Scientific/Engineering
+    Intended Audience :: Science/Research
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    # Dont change this one
+    License :: OSI Approved :: MIT License
+
+## Add your email here
+author_email = jbusecke@princeton.edu
+
+
+### make sure to fill in your dependencies!
+[options]
+install_requires =
+    numpy
+    xarray
+    dask
+    cartopy
+setup_requires=
+    setuptools_scm
+python_requires = >=3.6
+################ Up until here
+
+include_package_data = True
+zip_safe = False
+packages = find: