Use new style Python package build

Author: tonyroberts

README.md

@@ -33,4 +33,4 @@ To configure add the following to your pyxll.cfg file (default values shown):
 
 For more information about installing and using PyXLL see https://www.pyxll.com.
 
-Copyright (c) 2020 PyXLL Ltd
+Copyright (c) PyXLL Ltd

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -0,0 +1,38 @@
+[metadata]
+name = pyxll_pycharm
+version = 0.3.0.b1
+description = Adds PyCharm debugging support to PyXLL.
+long_description: file: README.md
+long_description_content_type: text/markdown
+license: MIT License
+license_content_type: text/markdown
+classifiers =
+    Programming Language :: Python :: 3 :: Only
+    License :: OSI Approved :: MIT License
+    Operating System :: Microsoft :: Windows
+project_urls =
+    Source = https://github.com/pyxll/pyxll-pycharm
+    Tracker = "https://github.com/pyxll/pyxll-pycharm/issues
+
+[options]
+install_requires =
+    pyxll >= 5.0.0
+    pydevd-pycharm
+python_requires = >=3.7
+packages = find_namespace:
+include_package_data: true
+package_dir =
+    = src
+
+[options.packages.find]
+where = src
+
+[options.package_data]
+pyxll_pycharm =
+    resources/ribbon.xml
+    resources/debug.png
+
+[options.entry_points]
+pyxll =
+    modules = pyxll_pycharm:modules
+    ribbon = pyxll_pycharm:ribbon