<paper-input-items> is a customizable paper input wrapper to facilitate the use template-repeat paper-inputs (e.g. paper-dropdown-menu, paper-radio-group)
Example Usage:
<paper-dropdown-menu-items id="dropdown" label="dropdown label" items='[{"label":"first","key":"first"},{"label":"second","key":"second"},{"label":"third","key":"third"}]'></paper-dropdown-menu-items>
<paper-radio-group-items id="radio" label="radio label" items='[{"label":"first","key":"first"},{"label":"second","key":"second"},{"label":"third","key":"third"}]'></paper-radio-group-items>