adding cli to start

main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	cli "github.com/urfave/cli/v2"
+)
+
+func main() {
+	app := &cli.App{
+		Name:  "boom",
+		Usage: "make an explosive entrance",
+		Action: func(c *cli.Context) error {
+			fmt.Println("boom! I say!")
+			return nil
+		},
+	}
+
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}