feat: add useMediaQuery and useIntersectionObserver hooks

[umuewu]

Description

Implemented and verified custom React utility hooks useMediaQuery and useIntersectionObserver, along with their unit test suites. Confirmed existing implementations for useDebounce and useLocalStorage.

Closes #285
Closes #286
Closes #287
Closes #288

Changes proposed

What were you told to do?

Create reusable custom React hooks for debouncing, local storage synchronization, media query matching, and intersection observation to eliminate duplication across components.

What did I do?

Custom Hooks Implementation

• Implemented useMediaQuery hook in src/lib/hooks/use-media-query.ts for responsive design matching.
• Implemented useIntersectionObserver hook in src/lib/hooks/use-intersection-observer.ts for visibility tracking and infinite scroll.
• Verified pre-existing useDebounce and useLocalStorage hook implementations in src/lib/hooks/.

Unit Tests & Formatting

• Added unit tests src/lib/hooks/use-media-query.test.tsx and src/lib/hooks/use-intersection-observer.test.tsx.
• Formatted touched files using Prettier.

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• This PR does not contain plagiarized content.
• The title and description of the PR is clear and explains the approach.
• I am making a pull request against the main branch (left side).
• My commit messages styles matches our requested structure.
• The implementation was reviewed and confirmed to work as intended.
• I am only making changes to files I was requested to.

Screenshots / Validation Evidence

All created hooks build cleanly and unit test suites pass as expected.

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