Include package data

setup.cfg

@@ -4,26 +4,27 @@ version = attr: centerline.VERSION
 description = Calculate the centerline of a polygon
 long_description = file: README.rst
 keywords = polygon, centerline, Voronoi
-license = file: LICENSE
+license = MIT License
 url = https://github.com/fitodic/centerline
 download_url = https://pypi.org/project/centerline/
 author = Filip Todic
 author_email = todic.filip@gmail.com
 classifiers =
-Development Status :: 4 - Beta
-License :: OSI Approved :: MIT License
-Operating System :: OS Independent
-Programming Language :: Python :: 2.7
-Programming Language :: Python :: 3
-Programming Language :: Python :: 3.5
-Programming Language :: Python :: 3.6
-Intended Audience :: Science/Research
-Intended Audience :: Developers
-Topic :: Scientific/Engineering :: GIS
-Topic :: Software Development :: Libraries :: Python Modules
+	Development Status :: 4 - Beta
+	License :: OSI Approved :: MIT License
+	Operating System :: OS Independent
+	Programming Language :: Python :: 2.7
+	Programming Language :: Python :: 3
+	Programming Language :: Python :: 3.5
+	Programming Language :: Python :: 3.6
+	Intended Audience :: Science/Research
+	Intended Audience :: Developers
+	Topic :: Scientific/Engineering :: GIS
+	Topic :: Software Development :: Libraries :: Python Modules
 
 [options]
 zip_safe = False
+include_package_data = True
 packages = centerline
 scripts =
 	scripts/create_centerlines
@@ -50,6 +51,9 @@ docs =
 	sphinx
 	sphinx_rtd_theme
 
+[options.package_data]
+* = *.txt, *.rst, *.md, LICENSE
+
 [bdist_wheel]
 universal = 1