Add GitHub Actions workflow for linting and type checking

.github/workflows/lint.yml

@@ -0,0 +1,67 @@
+# .github/workflows/lint.yml
+
+name: Lint and Type Check
+
+on: [ push, pull_request ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ruff-check:
+    name: Ruff Linting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Install Ruff
+        run: |
+          python -m pip install --upgrade pip
+          pip install ruff
+
+      - name: Run Ruff (Check for style violations)
+        run: ruff check . --exit-zero
+
+  black-check:
+    name: Black Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Install Black
+        run: pip install black
+
+      - name: Run Black (Check)
+        run: black --check .
+
+  mypy-check:
+    name: Mypy Type Checking
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - name: Install Dependencies
+        run: |
+          pip install mypy
+
+      - name: Run Mypy
+        run: mypy .