Better Timer Selection

[eorroe]

I don't develop for the web anymore, so I'm not too interested in making a pull request. But it would be awesome if instead of radio buttons. You used buttons just like the Stop, Pause, Restart buttons, where the text is the minutes, and clicking it would just start the timer.

[webbrain-one]

Hi! A pull request has been opened to address this: #9. It replaces the radio buttons with clickable minute buttons styled like the Stop, Pause, and Restart buttons, so clicking a minute starts the timer.