Package Theme

Added theme property to <Suggestor/>to facilitate custom styling 🎨

{
    "root": "wrapper <div> element class(es)",
    "input": "<input> element class(es)",
    "arrow": "<span> class(es): open suggestion list indicator (🔻)",
    "close": "<span> class(es): remove current value indicator (✖️)",
    "list": "<ul> class(es)",
    "item": "<li> class(es)",
    "activeItem": "<li> class(es) when active/hover"
}