Pandas.io.formats.style.Styler docstring PR02
Solves:

- Unknown parameters {kwargs} in apply method in Styler class
- Unknown parameters {kwargs} in applymap method in Styler class
- Unknown parameters {kwargs} in where method in Styler class
- Unknown parameters {low, high}  in background_gradient method in Styler class
- Unknown parameters {kwargs} in set_properties method in Styler class
- Unknown parameters {*args, **kwargs :} in pipe method in Styler class

for issues:

pandas.io.formats.style.Styler.apply: Unknown parameters {kwargs}
pandas.io.formats.style.Styler.applymap: Unknown parameters {kwargs}
pandas.io.formats.style.Styler.where: Unknown parameters {kwargs}
pandas.io.formats.style.Styler.set_properties: Unknown parameters {kwargs}
pandas.io.formats.style.Styler.pipe: Unknown parameters {*args, **kwargs :}
pandas.io.formats.style.Styler.background_gradient: Unknown parameters {low, high}

all in #27976

