feat: add handleKeyDown function to trigger handleNextStep on Enter key press

[Venkata-Sai-Vishwanath-robo]

This feature allows the user to go to submit their Chess.com ID by pressing the enter key when the textbox is in focus.

[vercel[bot]]

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[manjotsk]

@Venkata-Sai-Vishwanath-robo. Thank you for this. While we review this, i guess better approach is to convert this to a uncontrolled component, which actively listens to enter.

this looks good as well @Bot-Rakshit