added purchase flow image
added purchase flow image

claydotio/phonegap-plugin-wizPurchase,jrouault/cordova-plugin-wizpurchase,Wizcorp/phonegap-plugin-wizPurchase,Wizcorp/cordova-plugin-wizpurchase,Wizcorp/phonegap-plugin-wizPurchase,Wizcorp/phonegap-plugin-wizPurchase,claydotio/phonegap-plugin-wizPurchase,Wizcorp/phonegap-plugin-wizPurchase,claydotio/phonegap-plugin-wizPurchase,jrouault/cordova-plugin-wizpurchase,claydotio/phonegap-plugin-wizPurchase,claydotio/phonegap-plugin-wizPurchase,Wizcorp/phonegap-plugin-wizPurchase,Wizcorp/cordova-plugin-wizpurchase