1. Implement basic FloationActionButotnWrapperProps
	* active: boolean; //active ===true “expend ActionButtons”:” hide ActionButtons”
	*DefaultMainActionButton: React.ReactElement; // show when active===false
	*ActiveMainActionButton: React.ReactElement; // show when active===true
	*ActionButtons: Array<React.ReactElement&gt;;// show when active===true
	*top?: number; // fixedPosition of FAB
	*bottom?: number;// fixedPosition of FAB
	*left?: number; // fixedPosition of FAB
	*right?: number; // fixedPosition of FAB
2. Implement basic layout wrapper views for FloatingActionButtonWrapper(FAB) component.
	* FixedPositionWrapperView sets overall position of FAB
	* ExpendWrapperView makes expend animation along "active" value in props

1. Implemented the basic functions of the FAB
	* Can use IconButton that is a default button component of FAB by passing the icon types and callbacks.
	* Can replace the default button component of FAB by passing renderButton function
	* Can set absolute position of FAB
	* Can replace buttons by active Props

	Rendering conditions:
		if(active===false)render DefaultFAB
		if(active===true)render ActiveFAB and ActionButtons

**Animation is not implemented**
**Need more implementation**

1. I simplified the props.
	* DefaultFABItem, ActiveFABIItem were removed and renderIMainFAB function were provided for customization.
	* Removed  props that receiving styles per attribute
	* abstracted the FabItem data.
	* provide onPressFABItem to receive onPress callback  (it will pass generic item data)

2. Add FABStory

before
	* isActive was props. but it makes it hard to provide an onPress callback.
	* mainFAB Button was evaluated out side of return

acter
	* make isActive props to state
	* pub mainFAB inside return

Animation was implemented
and Fix the story demo error

1. MainFAB animation
2. Implemented basic test that tests the callback

1. change onpress callback naming
before
onPressFABItem
after
onPressListItem

2.delete unnecessary import
before
React.ReactElement
after
deconstruct React and just import ReactElement

3. delete the comment

4. not to use index for the key of the list item

1. change Props naming
2. changed behavior
	 Previously, only the transparency of the button was adjusted depending on the state but now the actual position is adjusted.
3. Change state management.
	Previously, the active was managed as a "state", modified to manage it as a "props".
4.  path name changed
	FloatingActionButtonWrapper> FAB

    1. position translation has implemented
    2. naming has been changed
              onPressListItem >   onPressFabItem
              ItemList >  fabItems
    3. Bug that state was not synced with UI has fixed

I reflected the contents of the code review.

1. all fab -> FAB
2. animation code improvement.
	* delete duplicate
3. some detail