Add thumbnails for 3d road crosser

examples/3d-road-crosser/3d-road-crosser.json

@@ -29,7 +29,36 @@
     "maxFPS": 60,
     "minFPS": 20,
     "verticalSync": false,
-    "platformSpecificAssets": {},
+    "platformSpecificAssets": {
+      "android-icon-144": "",
+      "android-icon-192": "",
+      "android-icon-36": "",
+      "android-icon-48": "",
+      "android-icon-72": "",
+      "android-icon-96": "",
+      "android-windowSplashScreenAnimatedIcon": "",
+      "desktop-icon-512": "",
+      "ios-icon-100": "",
+      "ios-icon-1024": "",
+      "ios-icon-114": "",
+      "ios-icon-120": "",
+      "ios-icon-144": "",
+      "ios-icon-152": "",
+      "ios-icon-167": "",
+      "ios-icon-180": "",
+      "ios-icon-20": "",
+      "ios-icon-29": "",
+      "ios-icon-40": "",
+      "ios-icon-50": "",
+      "ios-icon-57": "",
+      "ios-icon-58": "",
+      "ios-icon-60": "",
+      "ios-icon-72": "",
+      "ios-icon-76": "",
+      "ios-icon-80": "",
+      "ios-icon-87": "",
+      "liluo-thumbnail": "assets/thumbnail-game.png"
+    },
     "loadingScreen": {
       "backgroundColor": 0,
       "backgroundFadeInDuration": 0.2,
@@ -407,6 +436,15 @@
           "identifier": "https://asset-resources.gdevelop.io/public-resources/Menu buttons/11abe8b7d577c30b71789404003c50b3fe73d63492fd30669a5153bc67ac0a60_Yellow Jelly Button_Pressed.png",
           "name": "Yellow Jelly Button_Pressed.png"
         }
+      },
+      {
+        "alwaysLoaded": false,
+        "file": "assets/thumbnail-game.png",
+        "kind": "image",
+        "metadata": "",
+        "name": "assets/thumbnail-game.png",
+        "smoothed": true,
+        "userAdded": true
       }
     ],
     "resourceFolders": []