Fix recurrenceInfo issue after upgrade to 1.20

[mohammadamer]

• New sample
• Bug fix/update
• Related issues

What's in this Pull Request?

Edit events panel has issues with loading events details, fixed by Fixing recurrenceInfo issue after upgrade to 1.20
Updated README

Node Version

Node version used: 18.19.1

Checklist

• My pull request affects only ONE sample.
• My sample builds without any warnings
• I have updated the README.md file's Version history. For new samples, created a new README.md file matching this template
• My README.md has at least one static high-resolution screenshot (i.e. not a GIF) located in the assets folder.
• 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-calendar/assets/sample.json

• Invalid url for thumbnail Added web part tutorials. #1 property: Invalid URI: The format of the URI could not be determined.

[github-actions]

Validation failed!

File: samples/react-calendar/assets/sample.json

• Invalid url for thumbnail Added web part tutorials. #1 property: Invalid URI: The format of the URI could not be determined.

[hugoabernier]

Thanks @mohammadamer for your update! Much appreciated!