+ Add ruff configuration file

Author: caffeine-addictt

ruff.toml

@@ -0,0 +1,52 @@
+indent-width = 2
+
+[format]
+# Exclude commonly ignored directories.
+exclude = [
+  ".bzr",
+  ".direnv",
+  ".eggs",
+  ".git",
+  ".git-rewrite",
+  ".hg",
+  ".ipynb_checkpoints",
+  ".mypy_cache",
+  ".nox",
+  ".pants.d",
+  ".pyenv",
+  ".pytest_cache",
+  ".pytype",
+  ".ruff_cache",
+  ".svn",
+  ".tox",
+  ".venv",
+  ".vscode",
+  "__pypackages__",
+  "_build",
+  "buck-out",
+  "build",
+  "dist",
+  "node_modules",
+  "site-packages",
+  "venv",
+]
+
+indent-style = "space"
+line-ending = "lf"
+quote-style = "single"
+docstring-code-format = true
+
+
+[lint]
+# Avoid enforcing line-length violations (`E501`)
+ignore = ["E501"]
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+
+# Ignore `E402` (import violations) in all `__init__.py` files, and in select subdirectories.
+[lint.per-file-ignores]
+"__init__.py" = ["E402", "F401"]
+"**/__init__.py" = ["E402", "F401"]
+"**/{tests,docs,tools}/*" = ["E402"]