* first draft of a new server interface
* allow any response type
* complete interface docs
* refelct the format from the proposal
* intermediate commit with some methods implemented
* implement remaining token grant type methods
* implement remaining server methods
* error handling
* rewrite auth request validation
* define handlers, routes
* input validation and concrete handlers
* check if client credential client is authenticated
* copy and modify the routes test for the legacy server
* run integration tests against both Server and Provider
* remove unuse ValidateAuthRequestV2 function
* unit tests for error handling
* cleanup tokenHandler
* move server routest test
* unit test authorize
* handle client credentials in VerifyClient
* change code exchange route test
* finish http unit tests
* review server interface docs and spelling
* add withClient unit test
* server options
* cleanup unused GrantType method
* resolve typo comments
* make endpoints pointers to enable/disable them
* jwt profile base work
* jwt: correct the test expect
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Co-authored-by: Livio Spring <livio.a@gmail.com>
