Moe settings from setup.py to setup.cfg, and add pyproject.toml

setup.cfg

@@ -1,6 +1,49 @@
 [metadata]
-license_files = LICENSE.md
+name = novelWriter
 version = attr: nw.__version__
+author = Veronica Berglyd Olsen
+author_email = code@vkbo.net
+description = A markdown-like document editor for writing novels
+url = https://novelwriter.io
+long_description = file: README.md
+long_description_content_type = text/markdown
+license_files = LICENSE.md
+license = GNU General Public License v3
+classifiers =
+    Programming Language :: Python :: 3 :: Only
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: Implementation :: CPython
+    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
+    Development Status :: 4 - Beta
+    Operating System :: OS Independent
+    Intended Audience :: End Users/Desktop
+    Natural Language :: English
+    Topic :: Text Editors
+python_requires = >=3.6
+install_requires =
+    pyqt5>=5.2.1
+    lxml>=4.2.0
+    pyenchant>=3.0.0
+project_urls =
+    Bug Tracker = https://github.com/vkbo/novelWriter/issues
+    Documentation = https://github.com/vkbo/novelWriter/issues
+    Source Code = https://github.com/vkbo/novelWriter
+
+[options]
+include_package_data = True
+packages = find:
+
+[options.packages.find]
+exclude = docs, tests, sample
+
+[options.entry_points]
+console_script =
+    novelWriter-cli = nw:main
+gui_scripts =
+    novelWriter = nw:main
 
 [bdist_wheel]
 universal = 0