Changes to Get a JWKS (JSON Web Key Set) given a client ID

added the optional property keys/items/crv to the response with the 200 status

added the optional property keys/items/e to the response with the 200 status

added the optional property keys/items/n to the response with the 200 status

added the optional property keys/items/x to the response with the 200 status

added the optional property keys/items/y to the response with the 200 status