Fix the spacing, following the @meain recomandations

src/display.rs

@@ -38,7 +38,7 @@ fn inner_display_grid(
 
     let padding_rules = get_padding_rules(&metas, flags);
     let mut grid = Grid::new(GridOptions {
-        filling: Filling::Spaces(1),
+        filling: Filling::Spaces(2),
         direction: if flags.layout == Layout::OneLine {
             Direction::LeftToRight
         } else {