Number of APIs: 5
1. machine list
GET http://localhost:9000/machine/621233f98c152b6b892c217c/616829cb5d7c4f2bb56aae2c
2. add machine
POST http://localhost:9000/machine/add
3. get machine base on serial ID
GET http://localhost:9000/machine/xxx
POST http://localhost:9000/machine/update/6222ecd2dc21821e054d45e5
POST http://localhost:9000/machine/setup/xxx