feat: add project configuration and dependencies

- Add pyproject.toml with setuptools build configuration
- Add requirements.txt with minimal dependencies
- Add .gitignore for Python projects

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,29 @@
+[build-system]
+requires = ["setuptools >= 77.0.3"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "zerohttp"
+version = "0.0.1"
+authors = [
+  { name="Björn Benouarets", email="bjoern@benouarets.de" },
+]
+description = "A HTTP client library"
+readme = "README.md"
+requires-python = ">=3.12"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent",
+]
+license = "MIT"
+license-files = ["LICENSE"]
+
+[project.urls]
+Homepage = "https://github.com/SecNex/zerohttp"
+Issues = "https://github.com/SecNex/zerohttp/issues"
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+
+[tool.setuptools.packages.find]
+where = ["src"]