fix: images not displaying in trip cards

[anshiky73-svg]

Title : fix: images not displaying in trip cards

Description

This PR fixes the issue where images were not displaying in the trip cards section.
Broken external image URLs were replaced with local assets, and image files were
renamed for reliable loading on GitHub Pages.

Screenshots

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Checklist:

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have gone through the contributing.md file before contributing
• I have Starred the Repository.

##Are you contributing under any Open-source programme?

• I am contributing under KWOC 2025

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[github-actions]

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[anshiky73-svg]

hi @apu52 , PR is done from my side please review it