React sp org chart

[sudeepghatak]

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Put an x in all the items that apply ([x], no spaces between the [, the x, and the ] ), make notes next to any that haven't been addressed.

• [ X] New sample
• Bug fix/update
• Related issues: fixes #X, partially #Y, mentioned in #Z

What's in this Pull Request?

This Org Chart Web Part displays your organization's structure based on a custom list, starting from the top boss down to everyone else. Each person's card shows their name and job title, and when you click on someone, it highlights them so you can focus on where they sit in the company.

Node Version

(Use node -v to get the version of Node you used to build this sample)

Node version used: 18.20.6

Checklist

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Put an x in all the items that apply ([x], no spaces between the [, the x, and the ] ). Make notes next to any that haven't been addressed.

• [ X] My pull request affects only ONE sample.
• [ X] My sample builds without any warnings
• [X ] I have updated the README.md file's Version history. For new samples, created a new README.md file matching this template
• [X ] My README.md has at least one static high-resolution screenshot (i.e. not a GIF) located in the assets folder.
• [ X] My README.md contains complete setup instructions, including pre-requisites and permissions required
• [X ] My solution includes a .nvmrc file indicating the version of Node.js

[github-actions]

Sample PR validation for #5450

⚠️ Validation status: warnings

We automatically validate all pull requests against our contribution guidance to ensure that all samples provide a consistent experience to our community.

In order to merge this PR in a timely manner, the following criteria must be met:

Validation	Status
Pull request affects only one folder	✅ Succeeded
Sample folder name follows naming convention	✅ Succeeded
README.md contains visitor stat image	⚠️ Warning
Sample requires a .nvmrc file	✅ Succeeded
Sample requires a README.md	✅ Succeeded
Sample requires a screenshot .png in assets folder	✅ Succeeded
No .sppkg file	✅ Succeeded
No node_modules folder	✅ Succeeded
No lib folder	✅ Succeeded

@sudeepghatak please address the above issues and push new changes to this branch.
For more information, see the contribution guidance.