add Ferrum to README.md (#56)

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
 - [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)
 - [BareTail](https://www.baremetalsoft.com/baretail/) - Brings the tail linux command to Windows, coloured lines and REGEX search and loads of other features.
 - [ProxySwitcher](https://chrome.google.com/webstore/detail/proxy-switcher-manager/onnfghpihccifgojkpnnncpagjcdbjod) - We all have to mess with proxies, this makes it a lot easier when using Test/Prod/localhost proxies.
 - [Full Page Screenshot](https://chrome.google.com/webstore/detail/full-page-screen-capture/fdpohaocaechififmbbbbbknoalclacl) - For when PrintScreen isn't big enough.