Refrence for Arguments parser major.go
Name string `arg:"--name"` // [--name string]
MilkFree bool `arg:"--use-milk"` // [--use-milk]`
Rounds int `arg:"-r"` // [-r 10]
ages []int `arg:"--ages" split:","` // [--ages 1,2,3]
//or
ages []string `arg:"--names" split:","`