Define package_data in setup.py

setup.py

@@ -23,6 +23,9 @@ setup(
 
     packages=['validata_validate'],
     include_package_data=True,
+    package_data={
+        'validata_validate': ['schema.toml', 'validata_spec.json'],
+    },
     install_requires=[
         'goodtables',
         'importlib_resources',