feat(Badge): add show-zero prop

[chenjiahan]

No description provided.

[codecov-io]

Codecov Report

Merging #8381 (5293f3f) into dev (3554cfd) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev    #8381      +/-   ##
==========================================
- Coverage   85.33%   85.32%   -0.02%     
==========================================
  Files         221      221              
  Lines        5408     5411       +3     
  Branches     1333     1334       +1     
==========================================
+ Hits         4615     4617       +2     
  Misses        520      520              
- Partials      273      274       +1     

Impacted Files	Coverage Δ
src/badge/Badge.tsx	100.00% <100.00%> (ø)
src/circle/Circle.tsx	90.19% <0.00%> (-1.97%)	⬇️

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