Add github action workflow for django unit tests.

.github/workflows/django-unit-tests.yaml

@@ -0,0 +1,27 @@
+name: Django Unit Tests
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.6.9'
+
+      - name: Install Dependencies
+        run: | 
+          cd app/backend
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Test
+        run: |
+          cd app/backend
+          python manage.py test