add workflow for coverage

.github/workflows/github-workflow.yaml

@@ -45,12 +45,12 @@ jobs:
  chmod +x ./coverage.sh
  bash ./coverage.sh
 
- - name: Extract coverage percentage
+ - name: Extract coverage percentage from index.js
  id: coverage
  shell: bash
  run: |
- grep -o 'Overall coverage rate.*' coverage/index.html | grep -o '[0-9]*\.[0-9]*' > coverage.txt
- coverage=$(cat coverage.txt)
+ coverage=$(jq -r '.files[0].covered' ./coverage/test_smartmon.coverage/index.js)
+ echo "Extracted coverage percentage: $coverage"
  echo "::set-output name=coverage::$coverage"
 
  - name: Update README.md with coverage badge