ci: add lint and format check

Author: yangkyeongmo

.github/workflows/lint.yml

@@ -0,0 +1,29 @@
+name: Lint and Format Check
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install ruff
+          
+      - name: Check formatting
+        run: ruff format --check .
+        
+      - name: Run linting
+        run: ruff check .