Function gallery 

pub fn gallery()

1	2	3	4
Switch	Button	Filled Button	Outline Button
Flat Button	Slider	Checkbox	RadioItem
ProgressBar	Select	GifViewer	Accordion
FloatingTab	ImageViewer	ScrollView	VirtualScrollView
CircularLoader	SegmentedButton	Tooltip	Calendar
ColorPicker	Chip	Menu	Popup
ResizableContainer	Sidebar	Table	Card
Input	Filled Input	Flat Input