Web UI Functionality for Cropbox Models

[junhyukjeon]

This pull request adds a base web UI template and a function that dynamically generates an interactive web UI based on input Cropbox model. It should be functional for most small-scale models. More testing is required for more large-scale complex models. The UI design will be improved over time.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 160 lines in your changes missing coverage. Please review.

Project coverage is 67.50%. Comparing base (c03f1c9) to head (0be7e4e).

Files with missing lines	Patch %	Lines
src/util/serve.jl	0.00%	160 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #22      +/-   ##
==========================================
- Coverage   71.20%   67.50%   -3.71%     
==========================================
  Files          49       50       +1     
  Lines        2914     3074     +160     
==========================================
  Hits         2075     2075              
- Misses        839      999     +160     

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