add pyproject.toml -- will make setup.cfg and setup.py obsolete

pyproject.toml

@@ -0,0 +1,49 @@
+[project]
+name = "wxflow"
+version = "0.1.0"
+description = "Tools for Weather Workflows"
+readme = "README.md"
+requires-python = ">=3.6"
+license = {file = "LICENSE.md"}
+keywords = ["NWP", "Workflow"]
+authors = [
+  {name = "NOAA/NWS/NCEP/EMC", email = "First.Last@noaa.gov" }
+]
+maintainers = [
+  {name = "NOAA/NWS/NCEP/EMC", email = "First.Last@noaa.gov" }
+]
+
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Intended Audience :: Developers",
+  "Intended Audience :: Science/Research",
+  "License :: OSI Approved :: GNU Lesser General Public License",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.6",
+  "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 :: 3 :: Only",
+]
+
+dependencies = [
+  "numpy>=1.21.6",
+  "PyYAML>=6.0",
+  "Jinja2>=3.1.2"
+]
+
+[project.optional-dependencies]
+dev = ["check-manifest", "pytest>=7", "pytest-cov[all]"]
+test = ["pytest>=7", "pytest-cov[all]"]
+lint = ["pycodestyle"]
+
+[project.urls]
+"Homepage" = "https://github.com/NOAA-EMC/wxflow"
+"Bug Reports" = "https://github.com/NOAA-EMC/wxflow/issues"
+"Source" = "https://github.com/NOAA-EMC/wxflow/"
+
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"