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/atoms/_badge.scss

@@ -0,0 +1,27 @@
+/*
+** Badge
+*/
+.badge {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    color: $color-primary-darker;
+    font-family: $font-sans-sb;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    background-color: $color-secondary-light;
+    box-shadow: 0 0 0 4px rgba($color-tertiary, 0.15);
+    border-radius: 50vh;
+
+    // Small size
+    &--small {
+        height: 14px;
+        padding: 0 4px;
+        font-size: rem(7px);
+        line-height: 14px;
+
+        span {
+            margin-top: 0.25em;
+        }
+    }
+}