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/style/style.scss

@@ -22,6 +22,7 @@
 @import "atoms/link";
 @import "atoms/switcher";
 @import "atoms/counter";
+@import "atoms/badge";
 
 // Molecules
 @import "molecules/location";