Add isort code linting

Signed-off-by: Mingxin Zheng <[email protected]>

.github/workflows/general-linting.yml

@@ -0,0 +1,28 @@
+name: Lint Imports with isort
+
+on:
+  pull_request:
+    branches:
+      - main  # Adjust based on your default branch
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'  # Specify the Python version you are using
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install isort
+      
+      - name: Run isort
+        run: |
+          isort --check-only --diff .