Added github handle for Sean Sada

[moazDev1]

Fixes #6170

What changes did you make?

• Added github handle for Sean Sada

Why did you make the changes (we will use this info to test)?

• To add github handle for Sean Sada in _projects/civic-tech-index.md

Screenshots of Proposed Changes Of The Website (if any, please do not screen shot code changes)

• Changed the _projects/civic-tech-index.md file to add github-handle variable

[github-actions]

Want to review this pull request? Take a look at this documentation for a step by step guide!

From your project repository, check out a new branch and test the changes.

git checkout -b moaz-dev1-add-github-handle-6170 gh-pages
git pull https://github.com/moaz-dev1/website.git add-github-handle-6170

---

Note that CONTRIBUTING.md cannot previewed locally; rather it should be previewed at this URL:

https://github.com/moaz-dev1/website/blob/add-github-handle-6170/CONTRIBUTING.md  

[tony1ee]

Review ETA: EOD 04/14/2024
Availability: 6-9 PM 04/14/2024

[tony1ee]

Great job @moaz-dev1 on:

1. Using the correct branch for your pull request.
2. Accurately linking the issue.
3. Making code changes as requested in the issue
4. Ensuring no visual changes across multiple browsers (Safari, Firefox, Chrome) in both desktop and mobile views.
5. Applicable and clean code changes.

---

Note that an edit was made to your comment for a clearer description in the Why did you make the changes section

[freaky4wrld]

@moaz-dev1 thanks for taking up the issue

• branches looks good
• linked issue is correct
• local testing shows desired results

PR approved !!