Bootstrap pre-commit hooks and other repo configs

.gitignore

+*.pyc
+*.sw?
+*~
+/.coverage
+/.coverage.*
+.eggs/
+__pycache__/
+/build
+/dist
+/.tox
+.hypothesis/
+.mypy_cache/

.pre-commit-config.yaml

+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: trailing-whitespace
+      - id: check-json
+      - id: check-yaml
+
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        additional_dependencies: [flake8-bugbear==22.3.23]
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.1.0
+    hooks:
+      - id: codespell
+        name: Check source code spelling
+        args: [-L crate]
+        stages: [commit]
+
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+
+  - repo: https://github.com/python/black
+    rev: 22.3.0
+    hooks:
+      - id: black

pyproject.toml

+[tool.black]
+target-version = ['py37']
+
+[tool.isort]
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+ensure_newline_before_comments = true
+line_length = 88
+force_sort_within_sections = true

setup.cfg

+[flake8]
+# E203: whitespaces before ':' <https://github.com/psf/black/issues/315>
+# E231: missing whitespace after ','
+# E501: line too long, use B950 warning from flake8-bugbear instead
+# W503: line break before binary operator <https://github.com/psf/black/issues/52>
+select = C,E,F,W,B950
+ignore = E203,E231,E501,W503
+max-line-length = 88