Init setup.cfg, and updated old manifest

MANIFEST.in

@@ -2,6 +2,9 @@ include README.rst
 include LICENSE
 graft docs
 prune docs/_build
+prune sample
+prune support
+prune */__pycache__
 graft tests
 global-exclude __pycache__
 global-exclude *.py[co]

setup.cfg

@@ -0,0 +1,53 @@
+[metadata]
+author = Hong Minhee
+author_email = [email protected]
+classifiers =
+    Development Status :: 5 - Production/Stable
+    Intended Audience :: Developers
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Programming Language :: Python :: Implementation :: CPython
+    Programming Language :: Python :: Implementation :: PyPy
+    Programming Language :: Python :: Implementation :: Stackless
+    Topic :: Multimedia :: Graphics
+    Topic :: Multimedia :: Graphics :: Graphics Conversion
+description = Ctypes-based simple MagickWand API binding for Python
+keywords = ImageMagick, ctypes
+license = MIT
+license_files = LICENSE
+long_description = file: README.rst
+long_description_content_type = text/x-rst; charset=UTF-8
+maintainer = E. McConville
+maintainer_email = "E. McConville" <[email protected]>
+name = Wand
+platforms = unix, linux, osx, win32
+project_urls =
+    Documentation = https://docs.wand-py.org
+    Changelog=https://docs.wand-py.org/en/latest/changelog.html
+    Source = https://github.com/emcconville/wand
+    Tracker = https://github.com/emcconville/wand/issues
+url = https://docs.wand-py.org/en/latest/
+version = attr: wand.version.VERSION
+
+[options]
+packages = find:
+python_requires = >=3.7
+
+[options.packages.find]
+include =
+    wand
+    wand.cdefs
+exclude =
+    docs*
+    tests*
+    support*
+
+[options.extras_require]
+test = ptest>=7.2.0
+doc = Sphinx>=5.3.0