Add oxipng to a new heavy lints collection

Author: sbp

.pre-commit-heavy.yaml

@@ -0,0 +1,11 @@
+exclude: ^node_modules/
+repos:
+- repo: https://github.com/oxipng/oxipng
+  rev: v9.1.5
+  hooks:
+    - id: oxipng
+      name: run oxipng
+      description: check PNG files with oxipng
+      args: ['--fix', '-o', '4', '--strip', 'safe', '--alpha']
+      # types: [image]
+      # files: \.png$

Makefile

@@ -37,6 +37,10 @@ check-extra:
 	@find atr -name '*.py' -exec python3 scripts/interface_order.py {} --quiet \;
 	@find atr -name '*.py' -exec python3 scripts/interface_privacy.py {} --quiet \;
 
+check-heavy:
+	git add -A
+	uv run pre-commit run --all-files --config .pre-commit-heavy.yaml
+
 check-light:
 	git add -A
 	uv run pre-commit run --all-files --config .pre-commit-light.yaml