Clarify obtaining a refresh token that can be used to obtain JWT acce…

[davidwarshaw]

…ss tokens in docs

Changes

Adds a password grant example to EXAMPLES.md to explain how to get a refresh token that can be used to subsequently obtain JWT access tokens, instead of opaque tokens.

References

GH Issue: https://github.com/auth0/node-auth0/issues/983 Community forum issue: https://community.auth0.com/t/auth0-node-refresh-grant-missing-payload/125305

Testing

Doc change only.

• [ ] This change adds unit test coverage
• [ ] This change adds integration test coverage

Checklist

• [X] I have read the Auth0 general contribution guidelines
• [X] I have read the Auth0 Code of Conduct
• [X] All existing and new tests complete without errors

[frederikprijck]

Closing due to inactivity.