Added lexars

lexers/testdata/svelte.actual

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+<script lang="typescript">
+	// Nested is defined elsewhere
+	import Nested from './Nested.svelte';
+
+	let src = 'example.png';
+	let name = 'world';
+
+	let names = [
+		{ id: 'id0001', name: 'Name 1' },
+		{ id: 'id0002', name: 'Name 2' },
+		{ id: 'id0003', name: 'Name 3' }
+	];
+</script>
+
+<style>
+	h1 {
+		color: red;
+		font-family: Arial, Helvetica, sans-serif;
+		font-size: 2em;
+	}
+</style>
+
+<style lang="sass">
+$color: red
+h1
+  color: $color
+  font-family: Arial, Helvetica, sans-serif
+  font-size: 2em
+</style>
+
+<h1>Hello {name}!</h1>
+<img {src} alt="Example image">
+
+<!-- import external component -->
+<Nested/>
+
+<ul>
+    {#each names as { id, name }, i}
+	<li>{name} ({id})</li>
+	{/each}
+</ul>
+
+<template>
+    <form on:submit|preventDefault="{submitSearch}">
+        <input type="search" bind:value="{name}" required />
+        <button type="submit">Search</button>
+    </form>
+
+    {#if porridge.temperature > 100}
+	<p>too hot!</p>
+    {:else if 80 > porridge.temperature}
+	<p>too cold!</p>
+    {:else}
+	<p>just right!</p>
+    {/if}
+
+    {#await promise}
+	<!-- promise is pending -->
+	<p>waiting for the promise to resolve...</p>
+    {:then value}
+	<!-- promise was fulfilled -->
+	<p>The value is {value}</p>
+    {:catch error}
+	<!-- promise was rejected -->
+	<p>Something went wrong: {error.message}</p>
+    {/await}
+
+    {#await promise then value}
+	<p>The value is {value}</p>
+    {/await}
+
+    {#await promise catch error}
+	<p>The error is {error}</p>
+    {/await}
+
+    {#key value}
+	<div transition:fade>{value}</div>
+    {/key}
+
+    <div class="blog-post">
+	    <h1>{post.title}</h1>
+	    {@html post.content}
+    </div>
+
+    {@debug user}
+</template>