add lint and format check action

Author: dminnear-rh

.github/workflows/lint.yaml

@@ -0,0 +1,28 @@
+name: Lint and format checks
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install tools
+        run: |
+          pip install black isort ruff
+
+      - name: Run Black
+        run: black --check .
+
+      - name: Run Isort
+        run: isort --check-only .
+
+      - name: Run Ruff
+        run: ruff .