Update plugins.json

plugins.json

@@ -15,9 +15,9 @@
       "/plugins/images/test": "test.png",
       "/api/plugins/api/test": "index.php"
     },
-    "images": [
-      "https://www.bloggingalways.com/wp-content/uploads/2017/11/Test-Logo.svg.png",
-      "https://lakeridgenewsonline.com/wp-content/uploads/2018/03/Testing.jpg"
-    ]
+    "images": {
+      "Main": "https://www.bloggingalways.com/wp-content/uploads/2017/11/Test-Logo.svg.png",
+      "Alternative": "https://lakeridgenewsonline.com/wp-content/uploads/2018/03/Testing.jpg"
+    }
   }
 }