replace setup.py with pyproject.toml

Author: djosix

pyproject.toml

@@ -0,0 +1,23 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "padding_oracle"
+version = "0.2.3"
+authors = [
+  { name="Yuankui Li", email="[email protected]" },
+]
+description = "Threaded padding oracle automation."
+readme = "README.md"
+requires-python = ">=3.5"
+classifiers = [
+    'Programming Language :: Python :: 3',
+    'License :: OSI Approved :: MIT License',
+    'Operating System :: OS Independent',
+    'Topic :: Security :: Cryptography',
+]
+
+[project.urls]
+"Homepage" = "https://github.com/djosix/padding_oracle.py"
+"Bug Tracker" = "https://github.com/djosix/padding_oracle.py/issues"