refactore: refactoring of code

cmd/root.go

@@ -30,9 +30,6 @@ func Execute() {
 }
 
 func init() {
-	// Here you will define your flags and configuration settings.
-	// Cobra supports persistent flags, which, if defined here,
-	// will be global for your application.
 
 	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.mysql-bkup.yaml)")
 

cmd/version.go

@@ -16,6 +16,7 @@ var VersionCmd = &cobra.Command{
 	},
 }
 
+// Version display application version
 func Version() {
 	fmt.Printf("Version: %s \n", appVersion)
 	fmt.Print()