WIP: Staged all changes

frontend/src/components/Toast.svelte

@@ -0,0 +1,15 @@
+<script>
+    import { toasts } from '../lib/toasts.js';
+</script>
+
+<div class="fixed bottom-0 right-0 p-4 space-y-2">
+    {#each $toasts as toast (toast.id)}
+        <div class="p-4 rounded-md shadow-lg text-white
+            {toast.type === 'info' && 'bg-blue-500'}
+            {toast.type === 'success' && 'bg-green-500'}
+            {toast.type === 'error' && 'bg-red-500'}
+        ">
+            {toast.message}
+        </div>
+    {/each}
+</div>