Update setup.py info & add classifiers, keywords, maintainers

setup.py

@@ -47,13 +47,17 @@
 setup(
     name='openfermion',
     version=__version__,
+    url='https://quantumai.google/openfermion',
+    license='Apache 2',
     author='The OpenFermion Developers',
-    author_email='help@openfermion.org',
-    url='http://www.openfermion.org',
+    author_email='openfermion-dev@googlegroups.com',
+    maintainer="Google Quantum AI open-source maintainers",
+    maintainer_email="quantum-oss-maintainers@google.com",
     description=('The electronic structure package for quantum computers.'),
     long_description=long_description,
+    python_requires='>=3.10.0',
     install_requires=requirements,
-    license='Apache 2',
+    extras_require={'resources': resource_requirements},
     packages=find_packages(where='src'),
     package_dir={'': 'src'},
     include_package_data=True,
@@ -63,6 +67,55 @@
             os.path.join('src', 'openfermion', 'testing', '*.hdf5'),
         ]
     },
-    extras_require={'resources': resource_requirements},
     data_files=docs_data_files_tuples,
+    classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Education",
+        "Intended Audience :: Science/Research",
+        "License :: OSI Approved :: Apache Software License",
+        "Operating System :: MacOS",
+        "Operating System :: Microsoft :: Windows",
+        "Operating System :: POSIX :: Linux",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
+        "Topic :: Scientific/Engineering :: Chemistry",
+        "Topic :: Scientific/Engineering :: Quantum Computing",
+    ],
+    keywords=[
+        "algorithms",
+        "api",
+        "application programming interface",
+        "chemistry",
+        "cirq",
+        "electronic structure",
+        "fermion",
+        "fermionic systems",
+        "google quantum",
+        "google",
+        "hamiltonians",
+        "high performance",
+        "nisq",
+        "noisy intermediate-scale quantum",
+        "python",
+        "quantum algorithms",
+        "quantum chemistry",
+        "quantum circuit simulator",
+        "quantum circuit",
+        "quantum computer simulator",
+        "quantum computing",
+        "quantum development kit",
+        "quantum programming language",
+        "quantum programming",
+        "quantum simulation",
+        "quantum",
+        "qubit hamiltonians",
+        "qubit",
+        "sdk",
+        "simulation",
+        "software development kit",
+    ],
 )