Add links to related courses or technologies in Tech Stack section

[sweep-ai[bot]]

Description

This PR adds links to related courses or technologies in the Tech Stack section of each course. This enhancement will provide users with additional resources for learning and exploring related technologies.

Changes Made

• Updated the course content files to include links to related courses or resources for each technology listed in the Tech Stack section.
• Modified the course page template to accommodate the new links.

Related Issue

Fixes #[issue_number]

Screenshots

N/A

Checklist

• [ ] Tested the changes locally
• [ ] Updated the documentation
• [ ] Reviewed the code
• [ ] Verified the changes on the live site

Fixes #5.

To checkout this PR branch, run the following command in your terminal:

git checkout sweep/add-links-to-tech-stack

[kevinlu1248]

sweep: Add the links to the footer instead of the header and link to their homepages, not the Fireship links