Add minimal CI

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install pytest
+        run: python -m pip install --upgrade pip pytest
+      - name: Compile check
+        run: python -m compileall -q scripts
+      - name: Run tests
+        # python -m pytest puts the repo root on sys.path so the tests can
+        # import scripts.asqav_hook; the bare pytest console script cannot.
+        run: python -m pytest tests/ -q
+
+  ci-ok:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - run: echo "CI passed"