message: Fix `PaneGrid` documentation example
diff: @@ -76,7 +76,7 @@ use crate::{
  /// }.into()
  /// })
  /// .on_drag(Message::PaneDragged)
  -/// .on_resize(Message::PaneResized);
  +/// .on_resize(10, Message::PaneResized);
  /// ```
  ///
  /// [`PaneGrid`]: struct.PaneGrid.html
  