A elm simple pagenater.
currentPage : Require, current page number. totalPage : Require, total page number. pageRangeDisplayed : Require, display page range number. customPreviousLabel : custom previous button label. customNextLabel : custom next button label. customBreakLabel : custom break label. pageClassName : page button style class name. previousClassName : previous button style class name. nextClassName : next button style class name. breakClassName : break label style class name. onClickPager : on pager click action, page button, previous, next.