first iteration of help of help command

Former-commit-id: 1c08dc862d4d12d048c82445575990d7db467bfa

main.go

@@ -108,6 +108,11 @@ type HelloCmd struct {
 }
 
 func (*HelloCmd) Run(args []string) (string, error) {
+	for _, result := range args {
+		if result == "help" {
+			return "help of hello", nil
+		}
+	}
 	return "Hi, My name is Skynet 1.0. \n How can I help you ? ", nil
 }