Add a badge on locations for new photos

- The last updated date is taken from the latest photo of each location (without any other API call, just some data manipulation)
- Manipulation of data in the preload request instead of the code

src/utils/functions.js

@@ -185,6 +185,16 @@ export const relativeTime = (originDate, limit = 0) => {
 }
 
 
+/*
+** Check if date is older than
+*/
+export const dateOlderThan = (originDate, limit) => {
+    const date = new Date(originDate)
+    const diff = Number(new Date()) - date
+    return diff < limit
+}
+
+
 /*
 ** Controls Anime.js parallax
 */