test : test coverage 100% for componets

Description:

Added unit test cases for core UI components including Navbar, ProjectCard, ProjectList, ProjectSummaryCard, ScrollToTop, and SummerCard. Test files were created under src/__tests__/components/ following existing project test patterns.

The tests cover component rendering, props handling, and basic user interactions to improve reliability and maintainability. Additionally, configured Vitest coverage setup and resolved configuration issues to successfully generate test coverage reports.

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Type of Change:

• Bug Fix
  • Feature Development
  • Documentation

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Testing:

• Tested on desktop
  • Tested on mobile
  • Tested in different browsers

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Screenshots (if applicable):

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Video Demo

Not applicable

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Checklist:

• Code follows project style guidelines

  • Self-review completed

  • No console errors

  • TypeScript types are correct

    #38 (closed)

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