Ruff config, pytest config, pre-commit config

Author: VeckoTheGecko

.flake8

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+exclude: "^tests/example-data/.*"
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-ast
+      - id: check-json
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.8.2
+    hooks:
+      - id: ruff
+        name: ruff lint
+        args: [--fix, --show-fixes]
+      - id: ruff-format
+  - repo: https://github.com/rbubley/mirrors-prettier # Update mirror as official mirror is deprecated
+    rev: v3.4.2
+    hooks:
+      - id: prettier
+  - repo: https://github.com/ComPWA/taplo-pre-commit
+    rev: v0.9.3
+    hooks:
+      - id: taplo-format
+        args: ["--option", "array_auto_collapse=false"]
+  - repo: https://github.com/abravalheri/validate-pyproject
+    rev: v0.23
+    hooks:
+      - id: validate-pyproject
+        additional_dependencies: ["validate-pyproject-schema-store[all]"]

.pre-commit-config.yaml

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+[tool.pytest.ini_options]
+addopts = ["--strict-config", "--strict-markers"]
+testpaths = ["tests"]
+xfail_strict = true
+minversion = "7"
+markers = [ # can be skipped by doing `pytest -m "not slow"` etc.
+  "flaky: flaky tests",
+  "slow: slow tests",
+]
+
+filterwarnings = [
+  "error",
+  "default::DeprecationWarning",
+  "error::DeprecationWarning:pyglider",
+]
+
+[tool.ruff.lint]
+select = [
+  "F", # pyflakes
+  "I", # isort
+  "E", # Error
+  # "D",  # pydocstyle
+  # "B",  # Bugbear
+  # "UP", # pyupgrade
+  # "LOG", # logging
+  # "ICN", # import conventions
+  # "G", # logging-format
+  # "RUF", # ruff
+]
+
+ignore = [
+  # TODO: Remove
+  "E402", # Module level import not at top of file
+
+  "F841", # Local variable `...` is assigned to but never used
+  "E722", # Do not use bare `except`
+  "E501", # Line too long (... > 88)
+  "E741", # Ambiguous variable name: `l`
+]
+[tool.ruff.format]
+quote-style = "single"
+
+[tool.ruff.lint.pydocstyle]
+convention = "numpy"
+
+[tool.ruff.lint.isort]
+known-first-party = ["pyglider"]