Switch to pyproject.toml file

Author: waylan

pyproject.toml

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+[build-system]
+# Minimum requirements for the build system to execute.
+requires = ["setuptools>=61.2", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = 'mdx_gh_links'
+version = '0.3'
+description = "An extension to Python-Markdown which adds support for shorthand links to GitHub users, repositories, issues and commits."
+readme = {file = 'README.md', content-type='text/markdown'}
+authors = [
+    {name = 'Waylan limberg', email = 'waylan.limberg@icloud.com'}
+]
+license = {file = 'LICENSE'}
+dependencies = [
+    "markdown>=3.0.0"
+]
+keywords = ['markdown', 'python-markdown', 'github']
+classifiers = [
+    'Development Status :: 4 - Beta',
+    'License :: OSI Approved :: BSD License',
+    'Operating System :: OS Independent',
+    'Programming Language :: Python',
+    '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 :: Implementation :: CPython',
+    'Programming Language :: Python :: Implementation :: PyPy',
+    'Topic :: Documentation',
+    'Topic :: Text Processing',
+    'Topic :: Text Processing :: Markup',
+    'Topic :: Text Processing :: Markup :: HTML'
+]
+
+[project.urls]
+'Homepage' = 'https://pypi.org/project/mdx-gh-links/'
+'Repository' = 'https://github.com/Python-Markdown/github-links'
+'Issue Tracker' = 'https://github.com/Python-Markdown/github-links/issues'
+
+[tool.setuptools]
+py-modules = ['mdx_gh_links']