Added routs/Lib Components and assets.

src/lib/components/themeSelector.svelte

@@ -0,0 +1,26 @@
+<script>
+  export let currentTheme;
+  
+  const themes = ['win95', 'cyberpunk', 'typewriter', 'nightmare', 'vaporwave', 'nintendo'];
+</script>
+
+<div class="button-row">
+  {#each themes as theme}
+    <button 
+      on:click={() => currentTheme = theme}
+      class:active={currentTheme === theme}
+    >
+      {theme.charAt(0).toUpperCase() + theme.slice(1)}
+    </button>
+  {/each}
+</div>
+
+<style>
+  .button-row {
+    display: flex;
+    gap: 10px;
+    justify-content: center;
+    flex-wrap: wrap;
+    margin-top: 10px;
+  }
+</style>