feat: add SignatureBoard

[Miller-Wang]

[codecov[bot]]

Codecov Report

Merging #824 (4d39699) into feature (0e2097c) will decrease coverage by 6.21%. The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           feature     #824      +/-   ##
===========================================
- Coverage    77.80%   71.59%   -6.22%     
===========================================
  Files          214      219       +5     
  Lines         5394     5752     +358     
  Branches      1213     1271      +58     
===========================================
- Hits          4197     4118      -79     
- Misses        1187     1626     +439     
+ Partials        10        8       -2     

Impacted Files	Coverage Δ
packages/zarm/src/index.ts	0.00% <0.00%> (-100.00%)	:arrow_down:
...ckages/zarm/src/signature-board/SignatureBoard.tsx	0.00% <0.00%> (ø)
packages/zarm/src/signature-board/index.tsx	0.00% <0.00%> (ø)
...s/zarm/src/signature-board/signature-pad/bezier.ts	0.00% <0.00%> (ø)
...es/zarm/src/signature-board/signature-pad/index.ts	0.00% <0.00%> (ø)
...es/zarm/src/signature-board/signature-pad/point.ts	0.00% <0.00%> (ø)
...zarm/src/signature-board/signature-pad/throttle.ts	0.00% <0.00%> (ø)
packages/zarm/src/slider/utils/preventDefault.ts
packages/zarm/src/popper/index.tsx	62.18% <0.00%> (+1.49%)	:arrow_up:
... and 2 more

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