install annotation files

Author: lonvia

setup.py

@@ -166,6 +166,9 @@ def build_extension(self, ext):
     ext_modules=[CMakeExtension('cmake_example')],
     packages = ['osmium', 'osmium/osm', 'osmium/replication'],
     package_dir = {'' : 'src'},
+    package_data = { 'osmium': ['py.typed', '*.pyi',
+                                'replication/_replication.pyi',
+                                'osm/_osm.pyi']},
     python_requires = ">=3.6",
     install_requires = ['requests'],
     cmdclass=dict(build_ext=CMakeBuild, sdist=Pyosmium_sdist),