fix!: change default `headless` from `false` to `true`

[BeroBurny]

Short description of work done

PR Checklist

• [ ] I have run linter locally
• [ ] I have run unit and integration tests locally
  • [ ] Update configuration the newest version (readme and const)
• [ ] Rebased to master branch / merged master

Changes

• EXAMPLE - Removed basic auth from the controller

Issues

Closes #279

[mpetrunic]

That change is not chore whatsoever. It's fix!: at least