Migrate to GitHub actions

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  python-build:
+    name: Python 3.12
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v3
+        with:
+          python-version: '3.12'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Lint with ruff
+        run: |
+          ruff check
+      - name: Type check with mypy
+        run: |
+          mypy githooks bundle
+      - name: Test with pytest
+        run: |
+          pytest