✨ Store location last seen date to check for New label

Stores the last location's page seeing date in localStorage to hide the Location's new label in list, on top of the date limit

src/routes/[country]/[location]/+page.svelte

@@ -12,6 +12,7 @@
     import { quartOut } from '$animations/easings'
     import { getAssetUrlKey } from '$utils/api'
     import { DELAY } from '$utils/contants'
+    import { seenLocations } from '$utils/stores'
     import { photoFields } from '$utils/api'
     import { PUBLIC_LIST_INCREMENT } from '$env/static/public'
     // Components
@@ -110,6 +111,14 @@
 
 
     onMount(() => {
+        // Define location's last seen state
+        $seenLocations = JSON.stringify({
+            // Add existing values
+            ...JSON.parse($seenLocations),
+            // Add location ID with current time
+            [location.id]: new Date(),
+        })
+
         // Photos IntersectionObserver
         observerPhotos = new IntersectionObserver(entries => {
             entries.forEach(({ isIntersecting, target }: IntersectionObserverEntry) => {