add card sort logic

foudations/mogo-utils/src/main/java/com/mogo/utils/storage/SharedPrefsMgr.java

@@ -5,6 +5,8 @@ import android.content.SharedPreferences;
 
 import androidx.annotation.NonNull;
 
+import java.util.Set;
+
 public class SharedPrefsMgr {
 
     private static final String File_Name = "app_shared_pref";
@@ -128,4 +130,17 @@ public class SharedPrefsMgr {
         }
     }
 
+    public void putStringSet( String key, Set< String > values ) {
+        try {
+            SharedPreferences.Editor editor = sSharedPrefs.edit();
+            editor.putStringSet( key, values );
+            editor.apply();
+        } catch ( Exception e ) {
+        }
+    }
+
+    public Set<String> getStringSet( String key ) {
+        return sSharedPrefs.getStringSet( key, null );
+    }
+
 }