Installing ShadCN and configuring it to match current website state

[idanidan29]

What kind of change does this PR introduce?

• Adds configuration for the ShadCN component library (and installed the Checkbox and Button components into the UI folder).

• Closes ✨ Enhancement: Install and Configure ShadCN/UI for the Website #1655

Summary

This PR installs and configures the ShadCN library in the website codebase, providing the necessary setup to scaffold and use additional UI components in the ui/ folder. The Checkbox and Button components have already been added; this change ensures the project is ready to install and manage more ShadCN elements going forward.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

[github-actions]

built with Refined Cloudflare Pages Action

⚡ Cloudflare Pages Deployment

Name	Status	Preview	Last Commit
website	✅ Ready (View Log)	Visit Preview	3d32a6a

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (f06af75) to head (3d32a6a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1668   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           10        10           
  Lines          396       396           
  Branches       106       106           
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  Hits           396       396           

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