Add CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "**"
+
+jobs:
+  checks:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.10", "3.11" ]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: pip install -r dev-requirements.txt
+      - run: pre-commit run -a
+      - run: pytest --nbval notebooks