feat: add selectionType prop to Calendar component

[wildergd]

fix: #1553

Changes proposed in this PR:

• add selectionType prop to Calendar component

• I have followed (at least) the PR section of the contributing guide.

@nexxtway/react-rainbow

[commit-lint]

Features

• add selectionType prop to Calendar component (c4004e6)

Bug Fixes

• code cleanup (b26ac84)
• fix render when selection type is range (fa21005)
• fix range highlight when hovered (6cefaa6)
• fix comments (f396a8e)
• some code enhancements (b3b3bc9)
• fix index.d.ts (f62c06d)
• issues in comments (4d33c7f)
• fix buildNewRangeFromValue helper (bc587ad)
• indentation (71923b2)
• fix range selection when selected end date is previous to range start date (4839b77)
• fix comments (746feaa)

Styles

• fix range highlight (6130642)
• fix range highlight (7eb649e)
• fix range highlight when range start date is the same as range end date (1b4fc06)
• fix styles (17a5bf4)
• fix highlight background when range starts on saturday and end in sunday (2e3077e)

Styles

• range color (ed48674)
• hover flicking (5a10a9b)

Contributors

@wildergd, @TahimiLeonBravo, @maxxgreene

[LeandroTorresSicilia]

There is an issue with the dark theme:

[TahimiLeonBravo]

There is an issue with the dark theme:

@wildergd I think we should use colors with opacity here like an RGBA with a value on the opacity different of 1

[maxxgreene]

The implementation looks good to me, I would say the helpers should be written avoiding (!) in conditions.