Rebuild assets

public/assets/asset-manifest.json

@@ -1 +1 @@
-{"gallery.js":"gallery-e0vjhfODabxO.js","index.js":"index-e0vjhfODabxO.js","index.css":"index-e0vjhfODabxO.css"}
+{"gallery.js":"gallery-GnfI8WTlvgAV.js","index.js":"index-GnfI8WTlvgAV.js","index.css":"index-GnfI8WTlvgAV.css"}

public/assets/dist/index-GnfI8WTlvgAV.js

@@ -27,10 +27,13 @@
         });
 
     const mapContainer = document.getElementById("map");
+    const goBack = document.getElementById("go-back");
     if (mapContainer !== null) {
-        document.getElementById("go-back").addEventListener("click", () => {
-          history.back();
-        });
+        if (goBack !== null) {
+            document.getElementById("go-back").addEventListener("click", () => {
+            history.back();
+            });
+        }
 
         mapboxgl.accessToken = 'pk.eyJ1IjoiZG5pdHphIiwiYSI6ImNsZWIyY3ZzaTE0cjUzdm4xdnZ6czRlYjUifQ.FRETOXYRID6T2IoB7qqRLg';
         var map = new mapboxgl.Map({