feat: Internship card for internship tracker

[JennaXiao3]

Description

What is the purpose of your change?

• to create an internship card for the internship tracker page --> see the internship cards here: https://deploy-preview-187--bt-internship-tracker.netlify.app/test

What areas of the application does this change impact? (changes API, folder structure, etc)

-

What features/fixes are deferred/not handled in this PR?

-

Checklist

• [ ] Adds unit tests
• [ ] Has a work item linked to the PR

[netlify[bot]]

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