Provide minimal package_data to avoid including .cc / .h files

Author: laramiel

setup.py

@@ -345,6 +345,7 @@ def run(self):
 setuptools.setup(
     packages=setuptools.find_packages('python'),
     package_dir={'': 'python'},
+    package_data = {'': ['LICENSE', 'AUTHORS']},
     ext_modules=[setuptools.Extension('tensorstore/_tensorstore', sources=[])],
     setup_requires=['setuptools_scm>=8.1.0'],
     cmdclass={