update docs with example usage for appliances
update docs with example usage for appliances


Former-commit-id: f92d8041080d135971e7daebae8848c055d4dd6e
Former-commit-id: 8e039fc50425653beab092f9665f927572f04591
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy