Add github actions workflow

.github/workflows/ci.yaml

@@ -0,0 +1,32 @@
+name: CI
+on: [ push, pull_request ]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install poetry
+        uses: abatilo/actions-poetry@v2
+          - name: Setup a local virtual environment (if no poetry.toml file)
+            run: |
+              poetry config virtualenvs.create true --local
+              poetry config virtualenvs.in-project true --local
+      - uses: actions/cache@v3
+        name: Define a cache for the virtual environment based on the dependencies lock file
+        with:
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
+      - name: Install the project dependencies
+        run: poetry install
+      - name: isort
+        run: poetry run isort .
+      - name: black
+        run: poetry run black . --check
+      - name: mypy
+        run: poetry run mypy .