feat: add console output file option for debugging and monitoring

Add comprehensive console logging to file functionality:
- CLI option --console-output-file to specify output file path
- Environment variable PLAYWRIGHT_MCP_CONSOLE_OUTPUT_FILE support
- Session configuration via browser_configure_snapshots tool
- Real-time structured logging with timestamp, session ID, and URL
- Automatic directory creation and graceful error handling
- Captures all console message types (log, error, warn, page errors)

Useful for debugging browser interactions and monitoring console activity
during automated sessions.

src/program.ts

@@ -38,6 +38,7 @@ program
     .option('--caps <caps>', 'comma-separated list of additional capabilities to enable, possible values: vision, pdf.', commaSeparatedList)
     .option('--cdp-endpoint <endpoint>', 'CDP endpoint to connect to.')
     .option('--config <path>', 'path to the configuration file.')
+    .option('--console-output-file <path>', 'file path to write browser console output to for debugging and monitoring.')
     .option('--device <device>', 'device to emulate, for example: "iPhone 15"')
     .option('--executable-path <path>', 'path to the browser executable.')
     .option('--headless', 'run browser in headless mode, headed by default')