Merge pull request #6 from imcf/ci/ruff-lint

ci: add ruff lint + format gate

Author: lguerard

.github/workflows/lint.yml

@@ -0,0 +1,23 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: ruff check
+        uses: astral-sh/ruff-action@v3
+        with:
+          args: "check"
+
+      - name: ruff format --check
+        uses: astral-sh/ruff-action@v3
+        with:
+          args: "format --check"