codecov.io coverage report

Author: jmaister

.github/workflows/webpack.yml

@@ -29,3 +29,8 @@ jobs:
     - run: npm install
 
     - run: npm test
+
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}