fix(license): align Python binding license metadata

- Change license to Apache-2.0 OR MIT
- Fix MANIFEST.in README.md casing so README is included in sdist

binding/python/MANIFEST.in

@@ -1,5 +1,5 @@
 include LICENSE
-include ReadMe.md
+include README.md
 include search_test.py
 include bench_test.py
 recursive-include tests

binding/python/setup.py

@@ -8,7 +8,7 @@ setuptools.setup(
     long_description_content_type='text/markdown',
 
     url="https://github.com/lionsoul2014/ip2region",
-    license="Apache-2.0 License",
+    license="Apache-2.0 OR MIT",
     author_email="chenxin619315@gmail.com",
     author="lionsoul2014",