fix: images not displaying in trip cards

[anshiky73-svg]

Title and Issue number

fix: images not displaying in trip cards

Issue No. : 1888

Code Stack : HTML, CSS

Close #1877

Description

This PR fixes the issue where images were not displaying in the trip cards section.
The problem was caused by broken external image URLs. These have been replaced
with local images from the /img directory to ensure reliable loading,
especially on GitHub Pages.

Video/Screenshots (mandatory)

Trip card images loading correctly after fix:

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.

Additional context:

This change removes dependency on third-party image hosting and improves
stability and maintainability of the project.

Are you contributing under any Open-source programme?

• I am contributing under APERTRE 2025
• I am contributing under CODEPEAK 2025
• I am contributing under KWOC 2025

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[github-actions]

Thank you for submitting your pull request! 🙌 We'll review it as soon as possible. In the meantime, If there are any specific instructions or feedback regarding your PR, we'll provide them here. Thanks again for your contribution! 😊

[anshiky73-svg]

please assign me this issue @apu52