Add pyproject.toml for Ruff and Black

pyproject.toml

@@ -0,0 +1,23 @@
+[tool.black]
+line-length = 100
+target-version = ["py310"]
+skip-string-normalization = true
+preview = true
+
+[tool.ruff]
+line-length = 100
+select = [
+    "E",  # pycodestyle errors
+    "W",  # pycodestyle warnings
+    "F",  # pyflakes
+    "UP", # pyupgrade
+    "D",  # pydocstyle
+    "C",  # mccabe complexity
+]
+
+[tool.ruff.pydocstyle]
+convention = "google"
+
+[tool.ruff.lint.per-file-ignores]
+# Ignore missing docstrings in tests
+"tests/*" = ["D"]