Changes to Check HTTP Server Status

removed the non-success response with the status 500

the details response's property type changed from array to object for status 500

added the optional property debug to the response with the 500 status

added the optional property id to the response with the 500 status

the response property message became required for the status 500

api operation id isInstanceAlive removed and replaced with isAlive

api tag metadata added

api tag health removed

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 500

removed the media type application/json for the response with the status 200

api operation id isAlive removed and replaced with isInstanceAlive

api tag health added

api tag metadata removed

added the non-success response with the status 500