Range select support

[carlosen14]

Is your feature request related to a problem? Please describe.
Being able to show only one calendar to select a Start and an End dates.

Describe the solution you'd like
Set an Input to specify if this is a range calendar, then when you click the first date, it is a Start date, when you select the secnd date this will be the End date. then, paint (change background) the middle dates.

Describe alternatives you've considered
Showing two calendars to accomplish this, one to select Start, another to select End.

Additional context