Add screenshot in pubspec.yaml

android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java

@@ -0,0 +1,23 @@
+package io.flutter.plugins;
+
+import io.flutter.plugin.common.PluginRegistry;
+
+/**
+ * Generated file. Do not edit.
+ */
+public final class GeneratedPluginRegistrant {
+  public static void registerWith(PluginRegistry registry) {
+    if (alreadyRegisteredWith(registry)) {
+      return;
+    }
+  }
+
+  private static boolean alreadyRegisteredWith(PluginRegistry registry) {
+    final String key = GeneratedPluginRegistrant.class.getCanonicalName();
+    if (registry.hasPlugin(key)) {
+      return true;
+    }
+    registry.registrarFor(key);
+    return false;
+  }
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: vertical_card_pager
 description: Use dynamic and beautiful card view pagers to help you create great apps.
-version: 1.6.0
+version: 1.6.0+1
 homepage: https://github.com/Origogi/Vertical_Card_Pager
 
 environment:
@@ -15,3 +15,6 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
+screenshots:
+  - description: Vertical Card Pager Example
+    path: screenshot/screenshot.png