feat: add democase for vxbtn, vxbtngroup, vxchip

[danni-cool]

No description provided.

[deepsource-io]

Here's the code health analysis summary for commits e0a29e6..c14dd9a. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Test coverage	✅ Success		View Check ↗
Go	✅ Success		View Check ↗

Code Coverage Report

Metric	Aggregate	Go
Composite Coverage	41.9% (up 0.2% from main)	41.9% (up 0.2% from main)
Line Coverage	41.9% (up 0.2% from main)	41.9% (up 0.2% from main)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Files with missing lines	Coverage Δ
example/admin/demo_case.go	96.12% <100.00%> (+4.09%)	⬆️