Add unit tests for JavaScript functionality

[GaneshPatil7517]

Description

The project currently lacks unit tests for the JavaScript files in antora-ui-camel/src/js/. Adding tests would improve code quality and prevent regressions.

Files to Test

• 01-nav.js - Navigation functionality
• 02-on-this-page.js - Table of contents
• 06-copy-to-clipboard.js - Copy functionality
• 99-nav-search.js - Search functionality

Suggested Testing Framework

Jest or Mocha

Acceptance Criteria

• Set up testing framework
• Add tests for core navigation functions
• Add tests for search functionality
• Add tests to CI pipeline

Type

Testing / Quality Assurance

[GaneshPatil7517]

hey @davsclaus please assign me this issue i want to work on this...