Feature: Add flag for screen readers

Screen reader mode will,
Reverse direction
Not shows symbols (directory hierarchy or percentage bars)
Adds a column 'depth' to show depth of directory

src/main.rs

@@ -225,6 +225,7 @@ fn main() {
             &root_node,
             iso,
             config.get_skip_total(&options),
+            config.get_screen_reader(&options),
         )
     }
 }