add pre-commit

Author: jschlyter

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.6.0
+    hooks:
+      - id: check-merge-conflict
+      - id: debug-statements
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-json
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.4.9
+    hooks:
+      - id: ruff
+      - id: ruff-format