Test: added workflow files for testing

.github/workflows/test_dev.yml

@@ -0,0 +1,42 @@
+name: Django Tests
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main, develop]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          cd backend
+          pip install -r requirements.txt
+
+      - name: Run migrations
+        run: |
+          cd backend
+          python manage.py migrate
+
+      - name: Run tests
+        run: |
+          cd backend
+          python manage.py test tests
+
+      - name: Upload coverage reports
+        uses: codecov/codecov-action@v4
+        with:
+          file: ./backend/coverage.xml
+          fail_ci_if_error: true