Created YML file for SDG 3

[se7en-illa]

Fixes #4451

What changes did you make and why did you make them ?

• Created YML file for Sustainable Development Goal 3 (SDG3) so that information is not repeated in multiple files

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

No visual changes.

[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 se7en-illa-create-yml-sdg3-4451 gh-pages
git pull https://github.com/se7en-illa/website.git create-yml-sdg3-4451

[StephenTheDev1001]

Availability: M-F 10am-12pm
Review ETA: EoD Apr 19th

[StephenTheDev1001]

You created a new file correctly and followed the naming convention. You also did the pull request on the correct branch and wrote a clear and concise description of the changes you made and why they were necessary. Well done!

[kwangric]

ETA: EOD 4/20
Availability: Before 2pm PDT today

[kwangric]

Branches were set up correctly. The file was created in the right location with the correct information and the pull request included a description of the changes made. Great work!

[blulady]

This branch is coming from the correct branch and going into gh-pages. There is a linked issue, it is correct and addressed in the PR by creating file sdg3.yml in the correct directory. The code is identical to the code in the linked issue. The code looks clean, only one commit and only one file changed.
Good job!!