Issue #294 Start experimenting with pre-commit for linting/code style

Author: soxofaan

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-added-large-files
+      - id: check-json
+      - id: check-yaml
+  - repo: https://github.com/akaihola/darker
+    rev: 1.5.1
+    hooks:
+      - id: darker