reset files to before desktop config, added more ui cleanup, store classes, examples

src/ui/List.svelte

@@ -0,0 +1,42 @@
+<script lang="ts">
+    export let defaultText: string = "...";
+    export let activeItem: number = 0;
+    export let items: string[] = [];
+    export let onClick = (itemNo: number) => { activeItem = itemNo };
+</script>
+
+<ul>
+    {#if items.length === 0}
+        <li>{defaultText}</li>
+    {/if}
+    {#each items as item, i}
+        <li class:active={activeItem === i} on:click={() => onClick(i)}>
+            {item}
+        </li>
+    {/each}
+</ul>
+
+<style>
+    li:hover:not(.active) {
+        background-color: #aaaaaa;
+    }
+    li {
+        transition: background-color 100ms;
+        cursor: pointer;
+        list-style: none;
+        height: 2em;
+        line-height: 2em;
+    }
+    ul {
+        width: 100%;
+        overflow-y: scroll;
+        flex: 1;
+        padding: 0.5em;
+        margin: 0;
+        text-align: center;
+        background-color: #666;
+    }
+    .active {
+        background-color: #ff3e00;
+    }
+</style>