Added styled item and trash icons

Related to #12

front/src/utils/markerIcons.ts

@@ -0,0 +1,20 @@
+import L from 'leaflet'
+
+import itemMarker from '../assets/itemMarker.png'
+import trashMarker from '../assets/trashMarker.png'
+
+const iconItem = new L.Icon({
+    iconUrl: itemMarker,
+    iconRetinaUrl: itemMarker,
+    popupAnchor: [0, 0],
+    iconSize: [41, 41],
+})
+
+const iconTrash = new L.Icon({
+    iconUrl: trashMarker,
+    iconRetinaUrl: trashMarker,
+    popupAnchor: [0, 0],
+    iconSize: [34, 41],
+})
+
+export { iconItem, iconTrash }