Fixed bugs in the EXAMPLES.md's code snippets

[grjan7]

Changes

• Updated the request options as per the src.
• Fixed incorrect object reference.

References

The source files.

Testing

Please check the relevant objects in the /src.

Checklist

• [ ] I have read the Auth0 general contribution guidelines
• [ ] I have read the Auth0 Code of Conduct

[grjan7]

Thanks for the changes, the majority looks realy good 🔥 , just left one comment.

Thank you 👍