Add a basic CI workflow

.github/workflows/tests.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - "dev*"
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        python-version: [3.7, 3.11]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+      - name: Update pip and install the package
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install .
+      - name: Run tests
+        run: |
+          python -m pytest tests