Turning cli into a package

cli.go

@@ -1,38 +1,4 @@
-package main
-
-import "os"
-
-func main() {
-	App{
-		Name:        "math",
-		Description: "a simple command line math utility",
-		Commands: []Command{{
-			Name:        "add",
-			Description: "Add 2 and 2",
-			Action: func(name string) {
-				println("2+2=", 2+2)
-			},
-		}, {
-			Name:        "subtract",
-			Description: "Subtract 2 and 2",
-			Action: func(name string) {
-				println("2-2=", 2-2)
-			},
-		}, {
-			Name:        "multiply",
-			Description: "Multiply 2 and 2",
-			Action: func(name string) {
-				println("2*2=", 2*2)
-			},
-		}, {
-			Name:        "divide",
-			Description: "Divide 2 and 2",
-			Action: func(name string) {
-				println("2/2=", 2/2)
-			},
-		}},
-	}.Run(os.Args[1])
-}
+package cli
 
 type App struct {
 	Name        string