`<AddItem/>` - set type 'button' (#3527)
`<AddItem/>` - set type 'button' (#3527)

* Fix https://github.com/wix/wix-style-react/issues/3426

* adding documentation

* remove changes and just fix the bug

* last

wix/wix-style-react,wix/wix-style-react,wix/wix-style-react,wix/wix-style-react