Changes to Update knowledge

changed the pattern of the request property policy/id from ^aia_plcy_*$ to ^aia_plcy_.+$

the id response's property pattern was changed from ^aia_know_*$ to ^aia_know_.+$ for the status 200

added the new optional request property embedding_model

added the optional property embedding_model to the response with the 200 status

the response property date_created became required for the status 200

the response property date_updated became required for the status 200

the response property id became required for the status 200

the response property name became required for the status 200

the response property type became required for the status 200

added the optional property url to the response with the 200 status