Add code coverage workflow

Author: aviruthen

.github/workflows/code-coverage.yml

@@ -0,0 +1,46 @@
+name: "Code Coverage"
+on: 
+  pull_request:
+    branches: [ "main", "master" ]
+
+jobs:
+  coverage:
+    name: Overall Coverage Check
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    permissions: 
+      contents: read
+      pull-requests: write
+    
+    strategy:
+      matrix: 
+        python-version: ["3.11"]
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          # Install project dependencies first
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+          if [ -f setup.py ]; then pip install -e .; fi
+          # Install testing tools
+          pip install pytest pytest-cov
+      
+      - name: Run Unit Tests with Coverage
+        run: |
+          pytest test/unit_tests/ --cov=src/ --cov-report=term-missing --cov-report=xml --cov-fail-under=70
+      
+      - name: Upload Coverage Report
+        uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: coverage-report
+          path: coverage.xml