api/app: add comments to describe grant access to app
api/app: add comments to describe grant access to app

ArxdSilva/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,ggarnier/tsuru,tsuru/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,tsuru/tsuru,gwmoura/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,cezarsa/tsuru,tsuru/tsuru,gwmoura/tsuru,tsuru/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,cezarsa/tsuru,ggarnier/tsuru,gwmoura/tsuru,ggarnier/tsuru