[Feature request]Reset button in `try online`

[IgorErin]

The reset button in fantomas try online is often missing.

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[nojaf]

Hi there, this would be more suitable to discuss in https://github.com/fsprojects/fantomas-tools as this is not actionable for this repository.

Feel free to open an issue if you are interested in contributing to the online tool.

[dawedawe]

@IgorErin Clicking on the Fantomas logo in the upper left corner might help you a bit.