Add pre-commit hook and use in CI.

.pre-commit-config.yaml

@@ -0,0 +1,47 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-ast
+      - id: check-case-conflict
+      - id: check-json
+      - id: check-merge-conflict
+      - id: check-toml
+      - id: check-yaml
+      - id: debug-statements
+      - id: end-of-file-fixer
+      - id: forbid-submodules
+      - id: trailing-whitespace
+  - repo: https://github.com/psf/black
+    rev: 22.12.0
+    hooks:
+      - id: black
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0
+    hooks:
+      - id: flake8
+        args:
+          - "--max-line-length=88"
+        exclude: ^tests/
+  - repo: https://github.com/pycqa/isort
+    rev: 5.11.4
+    hooks:
+      - id: isort
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.991
+    hooks:
+      - id: mypy
+        additional_dependencies:
+          - types-toml==0.10.8.1
+        args:
+          - "--ignore-missing-imports"
+        exclude: ^tests/
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.0.194
+    hooks:
+      - id: ruff
+        args:
+          - "--line-length=88"
+        exclude: ^tests/