feat: lint workflow (#37)

.github/worflows/lint.yml

@@ -0,0 +1,23 @@
+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.13'
+
+    - name: Install pre-commit
+      run: |
+        python -m pip install --upgrade pip
+        pip install pre-commit
+
+    - name: Run pre-commit
+      run: pre-commit run --all-files