adding subcommand aliases

cmd/run.go

@@ -20,6 +20,7 @@ var (
 
 var runCmd = &cobra.Command{
 	Use:          "run",
+	Aliases:      []string{"r"},
 	Example:      "mctl run -s <server> <command> args...",
 	Short:        "Runs a saved command on a server",
 	Long:         `Runs the named command with the provided args on the default/active server unless -s is specified`,