Changes to List templates (v2)

added the optional property items/description to the response with the 200 status

added the optional property items/isDefault to the response with the 200 status

added the non-success response with the status 429

the endpoint scheme security AdminJWTAuth AND AdminTeamAuth was added to the API

the endpoint scheme security AccessTokenAuth was removed from the API

added the optional property error_code to the response with the 400 status

added the optional property error_code to the response with the 401 status

added the optional property error_code to the response with the 403 status

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

endpoint added