Add Github Action for unit tests

.github/workflows/unit.yml

@@ -0,0 +1,27 @@
+name: Run Pytest
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest psutil
+      - name: Run Pytest
+        run: |
+          pytest -v
+