update typescript auth example to demonstrate RFC 8707 resource parameter validation

[pcarleton]

Is your feature request related to a problem? Please describe.
RFC 8707

Describe the solution you'd like
Update the example auth flow to have the inmemory AS validate the resource parameter on authorization and access token requests, and reject tokens that have an incorrect resource associated in

Additional context

https://www.rfc-editor.org/rfc/rfc8707.html

modelcontextprotocol/modelcontextprotocol#734