Copy data directory during installation

Author: marionebl

MANIFEST.in

@@ -0,0 +1 @@
+include guesslangtools/data/*

setup.py

@@ -38,6 +38,7 @@ def version(base_module: str) -> str:
     packages=find_packages(exclude=['tests']),
     install_requires=Path('requirements.txt').read_text(),
     zip_safe=True,
+    include_package_data=True,
     # Test
     setup_requires=['pytest-runner'],
     tests_require='pytest',