Add badges to README.md

[yonas]

I recommend adding a few badges to the README.md.

Badges

• testing and code coverage
  • CodeCov
• linting and formatting
• release packaging 📦
  • Cosign
• security 🔐
  • trivy, trufflehog
  • SonarQube
  • CodeQL
  • OSSF Scorecard