added playwright-slack-report to the list (#46)

README.md

@@ -77,6 +77,7 @@
 - [currents-dev](https://currents.dev/) - A Cloud Dashboard to debug, troubleshoot and analyze parallel Playwright CI tests.
 - [qase](https://github.com/qase-tms/qase-javascript/tree/master/qase-playwright) - Playwright Qase Reporter, send test executions to [qase](https://qase.io/).
 - [echoed](https://github.com/mrasu/echoed) - Makes tests observable by visualizing OpenTelemetry data in HTML.
+- [playwright-slack-report](https://github.com/ryanrosello-og/playwright-slack-report) - Publish your Playwright test results to your favorite Slack channel(s).
 
 ## Showcases