Add TestingBot (#65)

Add TestingBot: a service to run automated, manual and visual tests on a wide range of devices and browsers.

README.md

@@ -32,6 +32,7 @@ Finally, I'm sure everyone who reads this list has one thing they want to add. P
 ### Make your life easier
 - [LambdaTest](https://www.lambdatest.com) - An AI-powered unified enterprise test execution cloud platform that helps businesses drastically reduce time to market through faster test execution, ensuring quality releases and accelerated digital transformation
 - [GoodLooks](https://github.com/dashcamio/goodlooks) - Visually validate Playwright tests using AI vision instead of flaky selectors.
+- [TestingBot](https://testingbot.com) - Run automated, manual and visual tests on a wide range of browsers and devices.
 - [Octomind](https://github.com/OctoMind-dev) - auto-generated, run and maintained Playwright tests with AI-powered test case discovery.
 - [Courgette](https://courgette-testing.com) - Beautifully simple UI testing. Proper declarative BDD scenarios using Gherkin, Gherkin templates and composable YAML-style page and component objects.
 - [Ferrum](https://github.com/rubycdp/ferrum) - very simple and easy to get started with frontend/UI testing in small Ruby scripts, high-level API to control Chrome with the CDP - Chrome DevTools Protocol (NO Selenium dependency)