dock method
Docks the window. only works on Windows
@platforms windows
Implementation
Future<void> dock({required DockSide side, required int width}) async {
final Map<String, dynamic> arguments = {
'left': side == DockSide.left,
'right': side == DockSide.right,
'width': width,
};
await _channel.invokeMethod('dock', arguments);
}