Add GHA for linting

.github/workflows/lint.yml

@@ -0,0 +1,27 @@
+name: Linting
+
+on: [ push, pull_request ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: [ "3.6.9", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12" ]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          pip install -r requirements-dev.txt
+
+      - name: Lint
+        run: |
+          python -m ruff check