feat: add underlay feature of data

[chenshenhai]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 33 lines in your changes are missing coverage. Please review.

Comparison is base (5973c54) 6.17% compared to head (92230b0) 6.16%.
Report is 77 commits behind head on main.

Files	Patch %	Lines
packages/board/src/lib/viewer.ts	0.00%	20 Missing and 3 partials ⚠️
packages/renderer/src/draw/underlay.ts	0.00%	6 Missing and 1 partial ⚠️
packages/renderer/src/index.ts	0.00%	2 Missing and 1 partial ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #266      +/-   ##
========================================
- Coverage   6.17%   6.16%   -0.02%     
========================================
  Files         76      77       +1     
  Lines       4403    4415      +12     
  Branches     871     873       +2     
========================================
  Hits         272     272              
- Misses      3289    3299      +10     
- Partials     842     844       +2     

Flag	Coverage Δ
unittests	6.16% <0.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.