✨ Add ViewTransitions component to layout for improve navigation

src/components/viewTransitions.svelte

@@ -0,0 +1,12 @@
+<script lang="ts">
+  import { onNavigate } from "$app/navigation";
+  onNavigate((navigation) => {
+    if (!document.startViewTransition) return;
+    return new Promise((resolve) => {
+      document.startViewTransition(async () => {
+        resolve();
+        await navigation.complete;
+      });
+    });
+  });
+</script>