Changes to POST /invitations/accept

removed the required property token from the response with the 201 status

added the non-success response with the status 400

added the non-success response with the status 402

added the non-success response with the status 404

added the non-success response with the status 409

added the required property message to the response with the 201 status

added the required property organization_id to the response with the 201 status

added the required property organization_name to the response with the 201 status

endpoint added