Configure development tooling (ruff, mypy, pytest)

pyproject.toml

@@ -50,3 +50,41 @@ build-backend = "hatchling.build"
 
 [tool.hatch.version]
 path = "src/py_dvt_ate/__init__.py"
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+
+[tool.ruff.lint]
+select = [
+    "E",      # pycodestyle errors
+    "W",      # pycodestyle warnings
+    "F",      # pyflakes
+    "I",      # isort
+    "B",      # flake8-bugbear
+    "C4",     # flake8-comprehensions
+    "UP",     # pyupgrade
+]
+ignore = [
+    "E501",   # line too long (handled by formatter)
+]
+
+[tool.mypy]
+python_version = "3.11"
+strict = true
+warn_return_any = true
+warn_unused_ignores = true
+disallow_untyped_defs = true
+disallow_incomplete_defs = true
+
+[[tool.mypy.overrides]]
+module = [
+    "streamlit.*",
+    "plotly.*",
+]
+ignore_missing_imports = true
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+asyncio_mode = "auto"
+addopts = "-v --tb=short"