Add GitHub Actions workflow

Author: wigging

.github/workflows/python.yml

@@ -0,0 +1,26 @@
+# Python package workflow
+
+name: Python package
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  check-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the project
+        uses: actions/checkout@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+      - name: Install the project
+        run: uv sync
+      - name: Run checks with ruff
+        run: |
+          uv run ruff check .
+          uv run ruff format --check .
+      - name: Run tests with pytest
+        run: uv run pytest