ci: add github action workflow

.github/workflows/main.yml

@@ -0,0 +1,41 @@
+name: PyStou - CI
+
+# Trigger the workflow on push and pull request events to the main branch
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint:
+    name: Lint Code with Ruff
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Install and use Ruff 
+        uses: chartboost/ruff-action@v1
+
+  test:
+    name: Run Unit Tests on Multiple Python Versions
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11]  # Python versions to test
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install PyStou
+        run: pip install .
+
+      - name: Run Tests
+        run: python -m unittest discover tests