Moved the most of metadata into setup.cfg... (#8)

...and also:

* added `pyproject.toml`
* added `.gitignore`
* removed `ez_setup.py`

Co-authored-by: Jan Kaliszewski <[email protected]>

Author: KOLANICH

.gitignore

@@ -0,0 +1,5 @@
+*.py[co]
+__pycache__
+/build
+/dist
+/*.egg-info

ez_setup.py

@@ -1,7 +1,3 @@
 [build-system]
-requires = [
-    "setuptools>=44",
-    "wheel"
-]
+requires = ["setuptools>=44", "wheel"]
 build-backend = "setuptools.build_meta"
-

pyproject.toml

@@ -0,0 +1,31 @@
+[metadata]
+name = unittest_expander
+author = Jan Kaliszewski (zuo)
+author_email = [email protected]
+description = Easy and flexible unittest parameterization.
+long_description = file: README.rst
+long_description_content_type = text/x-rst
+license = MIT
+url = https://github.com/zuo/unittest_expander
+keywords = unittest, testing, parameterization, parametrization
+classifiers =
+    Development Status :: 4 - Beta
+    Intended Audience :: Developers
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
+    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
+    Topic :: Software Development :: Testing
+
+[options]
+py_modules = unittest_expander
+python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
+setup_requires = setuptools>=44; wheel