add reset event & update docs

[radeanu]

No description provided.

[edisdev]

Thank you so much for PR :)

[codecov-commenter]

Codecov Report

Merging #47 (77ccb64) into develop (77cb71a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           develop       #47   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            4         4           
  Lines          208       208           
  Branches        54        54           
=========================================
  Hits           208       208           

Impacted Files	Coverage Δ
src/components/datepicker.vue	100.00% <ø> (ø)

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