add ruff formatting info and CI pipeline

.github/workflows/ruff.yaml

@@ -0,0 +1,11 @@
+name: Ruff
+on: [ push, pull_request ]
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: chartboost/ruff-action@v1
+        with:
+          version: 0.4.2
+          args: 'format --check'