Added features

• Added expandedColumn of columnGroup. You can vertically expand one column in a column group.
• Added row color animation when dragging rows.
• Added F3 key action. When the column filter is active, the current focus moves to the column filter.
  When the focus is on the column filter, the column filter popup is called.
• Added ESC key action to moving previous cell in column filter widget. Changes focus to the previous cell with the column filter in focus.
  If you press the down arrow key, the focus moves to the cell below the first row.
• Added done button action for mobile. The keyboard is closed when the cell is in the editing state and the done button on the mobile is tapped.
• Added insert, remove columns. https://weblaze.dev/pluto_grid/build/web/#add-and-remove-column-row
• Added allowFirstDot to PlutoColumnTypeNumber. Added option to enter minus sign on mobile devices where the "., -" sign is in one button.

Note to users of previous versions

• Changed the default value of enableMoveDownAfterSelecting to false.
• Changed a minimum flutter version to 2.5.0.
• Changed to be changed in real time when changing the column width.
• Changed pagination logic.
• Removed isShowFrozenColumn method of PlutoGridStateManager.
• Removed resetKeyPressed, setKeyPressed methods of PlutoGridStateManager.
• Fixed screen not being able to touch due to scroll range error when resizing the screen.