Add search icon to podcast section filter search bar - Fixes issue #979

[Gupta-02]

Fixed #979

Added a search icon (🔍) to the podcast section's search bar to improve user discoverability and navigation. The icon is now visible in the filter search area, making it clear that users can search for specific podcast episodes or topics.

Type of Change
New feature (e.g., new page, component, or functionality)
Bug fix (non-breaking change that fixes an issue)
UI/UX improvement (design, layout, or styling updates)
Performance optimization (e.g., code splitting, caching)
Documentation update (README, contribution guidelines, etc.)
Other (please specify):
Changes Made
Modified index.tsx to add the 🔍 emoji inside the search-icon div
The search icon is positioned in the left side of the search input field within the podcast filters section
Utilizes existing CSS styling that was already configured for the search icon
Dependencies
No new dependencies required
No version updates needed
Uses existing CSS classes and styling
Checklist
My code follows the style guidelines of this project.
I have tested my changes across major browsers and devices
My changes do not generate new console warnings or errors.
I ran npm run build and attached screenshot(s) in this PR.
This is already assigned Issue to me, not an unassigned issue.

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[github-actions]

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[github-actions]

✅ Synchronized metadata from Issue #979:

• Labels: level 1, recode, hacktoberfest-accepted
• Milestone: None

[sanjay-kv]

Thanks @iitzIrFan