feat(Badge): add API showZero, close #848

[purple-force]

As title

[codecov]

Codecov Report

Merging #849 into feat/1.16.0 will increase coverage by <.01%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##           feat/1.16.0     #849      +/-   ##
===============================================
+ Coverage        91.31%   91.31%   +<.01%     
===============================================
  Files              244      244              
  Lines            14057    14058       +1     
  Branches          4415     4416       +1     
===============================================
+ Hits             12836    12837       +1     
  Misses            1202     1202              
  Partials            19       19

Impacted Files	Coverage Δ
src/badge/sup.jsx	97.53% <100%> (+0.03%)	⬆️
src/badge/index.jsx	100% <100%> (ø)	⬆️

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