New sample react-site-secure-function-call

[mmsharepoint]

By submitting this pull request, you agree to the contribution guidelines

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

What's in this Pull Request?

This mostly an educational demo web part to demonstrate the currently most secure way to call MS Graph or any other 3rd party api.

Node Version

Node version used: v18.18.2

Checklist

• [ 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
• My solution includes a .nvmrc file indicating the version of Node.js

[github-actions]

Validation failed!

File: samples/react-site-secure-function-call/assets/sample.json

• Invalid url for thumbnail Added web part tutorials. #1 property: The provided URL is not responding correctly!

[github-actions]

Validation failed!

File: samples/react-site-secure-function-call/assets/sample.json

• Invalid url for thumbnail Added web part tutorials. #1 property: The provided URL is not responding correctly!

[github-actions]

Validation failed!

File: samples/react-site-secure-function-call/assets/sample.json

• Invalid url for thumbnail Added web part tutorials. #1 property: The provided URL is not responding correctly!

[hugoabernier]

Thank you @mmsharepoint for your sample! Highly appreciated!

We'd love to have your sample featured in one of our future community calls.

If haven't done so yet, and you'd be interested on showing this great sample in a public community call, please fill in following form and we'll get you scheduled - aka.ms/community/request/demo

Thank you for sharing your sample with others - you rock! 👏🥇👩‍💻