feat: Treeview

[cansuaa]

Description

Related links, issue #, if available: n/a

How has this been tested?

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov]

Codecov Report

Attention: Patch coverage is 84.78261% with 21 lines in your changes missing coverage. Please review.

Project coverage is 96.49%. Comparing base (f4b5334) to head (93bf261).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
src/tree-view/connector/index.tsx	5.26%	16 Missing and 2 partials ⚠️
src/tree-view/tree-item/index.tsx	91.66%	2 Missing ⚠️
src/tree-view/tree-item/utils.ts	93.75%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3477      +/-   ##
==========================================
- Coverage   96.55%   96.49%   -0.07%     
==========================================
  Files         804      815      +11     
  Lines       23439    23599     +160     
  Branches     7753     8229     +476     
==========================================
+ Hits        22631    22771     +140     
+ Misses        801      772      -29     
- Partials        7       56      +49     

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