Added GitHub handle for Chali Prasertsri

[danajeon]

Fixes #6172

What changes did you make?

• Added github-handle variable for Chali Prasertsri.

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

• To reduce redundancy in project file, a single variable is created to replace two variables.

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

Modified civic-tech-index.md file. No visual changes to the website.

[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 danajeon-add-github-handle-6172 gh-pages
git pull https://github.com/danajeon/website.git add-github-handle-6172

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

https://github.com/danajeon/website/blob/add-github-handle-6172/CONTRIBUTING.md  

[heejung-hong]

Hi @danajeon,

Your comment section is not complete.
Please answer "Why did you make the changes (we will use this info to test)?"
The Screenshot section of the comment also needs to be corrected if there are no visual changes per the instructions here.

Once the corrections are made, I will approve your pull request.

Thank you

[heejung-hong]

Good work!

• The branches are correct and the issue is linked.
• The correct file was changed with the correct information.
• I have inspected and confirmed there are no visible changes in developer mode on Chrome (desktop, tablet, and mobile view), Firefox, and Safari browser.

Nice effort on revising the comment section. Please review my edits and refer to it going forward in answering questions one and two. Thank you

[jphamtv]

Hey @danajeon - Thanks for working on this issue!

Your code change correctly uses spaces instead of tabs.

Great job!