add linting

.github/actions/lint.yml

@@ -0,0 +1,31 @@
+name: Python Linting
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.10
+
+    - name: Install Poetry
+      run: |
+        curl -sSL https://install.python-poetry.org | python -
+    - name: Install dependencies
+      run: poetry install
+
+    - name: ruff
+      run: ruff src
+
+    - name: mypy
+      run: mypy src