Improve docs, explain [.] about numbro

[BenjaminVanRyseghem]

Exactly

numbro(12).format('0.00') // 12.00
numbro(12).format('0[.]00') // 12

numbro(12.34).format('0.00') // 12.34
numbro(12).34.format('0[.]00') // 12.34

[homer2]

Is there a format to remove insignificant trailing zeros?

numbro(12.34).format('0[.]0?') // 12.34
numbro(12.30).format('0[.]0?') // 12.3

[BenjaminVanRyseghem]

Not that I am aware of 😄

Could you report it in a separate entry?

Thanks

[BenjaminVanRyseghem]

I close this issue as the separate issue reported here looks similar to #68