* Further refined `CommandLine` class to ensure consistent use of `CommandLineOptions`.
* Improved method organization in command line option setup for better readability.
* Updated `LoggerFactory` to utilize `LoggingLevel` directly in logging level management, streamlining the process.
* Created `BrowserstackApi` class for interacting with the Browserstack API, including a method to fetch supported browsers.
* Introduced `SupportedBrowser` type to define the structure of browser data returned from the API.
* Updated `TestRunner` to instantiate and run the test execution process, enabling command line options logging.
