Update public/index.html

public/index.html

@@ -359,6 +359,12 @@
         file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/trash_model/scene.gltf",
         scale: { x: 0.04, y: 0.04, z: 0.04 }
       },
+      hydrant: {
+        name: "Fire Hydrant",
+        image: "previewImages/hydrant.PNG",
+        file: "https://transfer.hft-stuttgart.de/gitlab/geovistoogsi/ar/-/raw/master/public/assets/models/fire_hydrant_model/scene.gltf",
+        scale: { x: 0.04, y: 0.04, z: 0.04 }
+      },
       tree: {
         name: "Baum",
         image: "previewImages/lantern.jpg",