feat: implement item icon loading in InventoryModal and add API function to fetch item icons

src/services/api/api.ts

@@ -50,4 +50,14 @@ export async function postAllocatePetSkill(petId: string, skillId: number): Prom
 export async function putPetItemInteract(petId: string, itemId: number, inter: InvItemInteraction): Promise<Pet> {
   const response = await api.put<Pet>(`/api/v1/inventory/${petId}/${itemId}/${inter.toLowerCase()}`);
   return response.data;
+}
+
+export async function getItemIcon(itemId: number): Promise<Blob> {
+  const response = await api.get<Blob>(`/api/v1/gamedata/item/icon/${itemId}`, {
+    responseType: 'blob',
+    headers: {
+      Accept: 'image/png'
+    }
+  });
+  return response.data;
 }