Add a Github actions workflow

.github/workflows/test.yml

@@ -0,0 +1,48 @@
+name: Unit tests
+on: [push, pull_request]
+concurrency:
+  group: test-${{ github.ref }}
+  cancel-in-progress: true
+env:
+  CARGO_TEST_COLOR: always
+jobs:
+  pre-commit:
+    on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.8'
+          cache: 'pip'
+      - name: Run pre-commit checks
+        run: pre-commit run --all-files
+  rust-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+    on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Run Rust tests
+        run: cargo test
+  python-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+    on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+      - name: Install package
+        run: pip install .
+      - name: Run Python tests
+        run: pytest