data: Rishav-12 event

[Rishav-12]

Changes proposed

Add an event I am attending - AWS Builders Online

Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [ ] My change requires changes to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] All new and existing tests passed.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

Screenshots

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Note to reviewers

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