added ruff config

ruff.toml

@@ -0,0 +1,61 @@
+# Set the maximum line length to 120.
+line-length = 120
+target-version = "py313"
+
+[lint]
+select = [
+  "A",
+  "ANN",
+  "ASYNC",
+  "B",
+  "C4",
+  "DTZ",
+  "E",
+  "ERA",
+  "F",
+  "FAST",
+  "FLY",
+  "FURB",
+  "I",
+  "ISC",
+  "PERF",
+  "PGH",
+  "PIE",
+  "PL",
+  "PT",
+  "RUF",
+  "SIM",
+  "UP",
+  "W",
+]
+
+ignore = [
+  "SIM102",   # collapsible-if
+  "SIM103",   # return-bool-condition-directly (keeping explicit if/else for clarity)
+  "SIM108",   # if-else-block-instead-of-if-exp
+
+  # Since we use ruff as a formatter, the following rules should be ignored
+  # See: https://docs.astral.sh/ruff/formatter/#conflicting-lint-rules
+  "W191",
+  "E111",
+  "E114",
+  "E117",
+  "E501",
+  "D206",
+  "D300",
+  "Q000",
+  "Q001",
+  "Q002",
+  "Q003",
+  "COM812",
+  "COM819",
+  "ISC002",
+]
+
+allowed-confusables = ["’", "х"]
+
+[lint.flake8-annotations]
+allow-star-arg-any = true
+
+[lint.per-file-ignores]
+"**/test_*.py" = ["PLR2004"]  # magic-value-comparison - allow magic numbers in tests