Use pyproject.toml to specify package metadata (#134)

.gitignore

@@ -6,5 +6,6 @@ __pycache__
 venv
 dist
 files
+.mypy_cache
 
 .DS_STORE

pyproject.toml

@@ -1,3 +1,45 @@
+[build-system]
+requires = ["setuptools>=61.0.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "django-solo"
+description = "Django Solo helps working with singletons"
+authors = [{name = "lazybird"}]
+maintainers = [
+    {name = "John Hagen", email = "[email protected]"}
+]
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+    "Framework :: Django :: 3.2",
+    "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.0",
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+dependencies = [
+    "django>=3.2",
+    "typing-extensions>=4.0.1; python_version < '3.11'",
+]
+license = {text = "Creative Commons Attribution 3.0 Unported"}
+dynamic = ["version"]
+
+[tool.setuptools.dynamic]
+version = {attr = "solo.__version__"}
+
+[project.urls]
+Homepage = "https://github.com/lazybird/django-solo/"
+Source = "https://github.com/lazybird/django-solo/"
+Changelog = "https://github.com/lazybird/django-solo/blob/master/CHANGES"
+
 [tool.mypy]
 ignore_missing_imports = true
 strict = true