[cmd] fix getter for configs

Author: ar2rsawseen

bin/commands/scripts/config.sh

@@ -12,6 +12,9 @@ usage (){
 if [ -z "$1" ] && [ -z "$2" ]
 then
     usage ;
+elif [ -z "$2" ]
+then
+    nodejs "$DIR/config.js" "$1" ;
 else
     nodejs "$DIR/config.js" "$1" "$2" ;
 fi