feat: move svelte interface to 'src/interface'

src/interface/components/themes/BackgroundItem.svelte

@@ -0,0 +1,38 @@
+<script lang="ts">
+  interface Background {
+    id: string;
+    type: string;
+    blob: Blob | null;
+    url?: string | undefined;
+  }
+
+  let { bg, isSelected, isEditMode, onClick, onDelete } = $props<{ bg: Background, isSelected: boolean, isEditMode: boolean, onClick: () => void, onDelete: () => void }>();
+
+</script>
+
+<div
+  onclick={onClick}
+  onkeydown={onClick}
+  tabindex="-1"
+  role="button"
+  class="relative w-16 h-16 cursor-pointer rounded-xl transition ring dark:ring-zinc-500/50 ring-zinc-300 {isEditMode ? 'animate-shake' : ''} {isSelected ? 'dark:ring-4 ring-4' : 'ring-0'}"
+>
+  {#if isEditMode}
+    <div
+      tabindex="-1"
+      role="button"
+      class="absolute top-0 right-0 z-10 flex w-6 h-6 p-2 text-white translate-x-1/2 -translate-y-1/2 bg-red-600 rounded-full place-items-center"
+      onclick={onDelete}
+      onkeydown={onDelete}
+    >
+      <div class="w-4 h-0.5 bg-white"></div>
+    </div>
+  {/if}
+  {#if bg.url}
+    {#if bg.type === 'image'}
+      <img class="object-cover w-full h-full rounded-xl" src={bg.url} alt="swatch" />
+    {:else if bg.type === 'video'}
+      <video muted loop autoplay src={bg.url} class="object-cover w-full h-full rounded-xl"></video>
+    {/if}
+  {/if}
+</div>