Add Tizen 5.5 Polyfills, implement dpad navigation with specified components

src/Container.svelte

@@ -0,0 +1,28 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import { Container } from './lib/actions/focusAction';
+
+	export let name: string = '';
+	export let horizontal = false;
+
+	const { registerer, ...rest } = new Container(name)
+		.setDirection(horizontal ? 'horizontal' : 'vertical')
+		.getStores();
+	export const container = rest.container;
+	export const hasFocus = rest.hasFocus;
+	export const hasFocusWithin = rest.hasFocusWithin;
+
+	export let tag = 'div';
+
+	onMount(() => {
+		rest.container._initializeContainer();
+
+		return () => {
+			rest.container._unmountContainer();
+		};
+	});
+</script>
+
+<svelte:element this={tag} on:click tabindex="0" {...$$restProps} use:registerer>
+	<slot />
+</svelte:element>