v1.0.0-alpha.21

What's Changed

@livechat/design-system-react-components:

• #300 (#331) by @przemuh @kamilmateusiak @MichalPaszowski @sgraczyk - Added Datepicker component
• #397 (#390) by @sgraczyk - Refreshed UI and behavior of Card component

@livechat/design-system-icons:

• #300 (#331) by @przemuh @kamilmateusiak @MichalPaszowski @sgraczyk - Added ChevronDoubleLeft and ChevronDoubleRight icons

Full Changelog: v1.0.0-alpha.20...v1.0.0-alpha.21