add some properties to YahooAuctionsItem, show images in home view

lib/models/yahoo_auctions_item.dart

@@ -2,7 +2,12 @@ import 'package:flutter/foundation.dart';
 
 class YahooAuctionsItem {
   String name;
+  String imageUrl = "https://lynnesbian.space/res/ceres/lesbun_full.jpg";
   int price;
+  int bids;
+  // ending time
+  bool buyItNow;
+  bool autoExtension;
 
   YahooAuctionsItem({
     @required this.name,

lib/pages/main_page.dart

@@ -5,6 +5,8 @@ import 'package:sprintf/sprintf.dart';
 import 'package:provider/provider.dart';
 import 'dart:math';
 
+import 'package:transparent_image/transparent_image.dart';
+
 class RouteHome extends StatelessWidget {
   // This widget is the root of your application.
   @override
@@ -56,10 +58,17 @@ class _MainPageState extends State<MainPage> {
         String key = listings.items.keys.elementAt(i);
         return ListTile(
             title: Text(listings.items[key].name),
-            subtitle: Text(sprintf(
+            subtitle: Text(
+              sprintf(
                 "¥%d (≈\$%2.2f)",
                 [listings.items[key].price, listings.items[key].getLocalPrice()]
-            )),
+              )
+            ),
+            leading: FadeInImage.memoryNetwork(
+              placeholder: kTransparentImage,
+              image: listings.items[key].imageUrl,
+              fit: BoxFit.cover,
+            ),
             onTap: () {
               Navigator.pushNamed(
                 context,

lib/pages/view_listing.dart

@@ -63,7 +63,7 @@ class _RouteViewListingState extends State<RouteViewListing> {
                     children: [
                       FadeInImage.memoryNetwork(
                         placeholder: kTransparentImage,
-                        image: 'https://lynnesbian.space/res/ceres/lesbun_full.jpg',
+                        image: thisListing.imageUrl,
                         fit: BoxFit.cover,
                       ),
                       const DecoratedBox(