Replace ScholarX archive image and content

[MethmaPeiris99]

Purpose

The purpose of this PR is to fix #1533

Goals

Replace the content and image of ScholarX archive

Approach

Updated the image and the first paragraph of ScholarX page

Screenshots

Preview Link

https://pr-1537-sef-site.surge.sh/

Checklist

• [x] I have read and understood the development best practices guidelines
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas

[janithlahirukariyawasam]

I think @MethmaPeiris99, We need to do this replacement for the ScholarX archive page.

[MethmaPeiris99]

I think @MethmaPeiris99, We need to do this replacement for the ScholarX archive page.

Sorry for that. I'll change it @janithlahirukariyawasam