NotificationBanner is an extremely customizable and lightweight library that makes the task of displaying in-app notification banners and drop-down alerts an absolute breeze in iOS. By default, the .info style will be applied to the banner if no style is provided in the init method. You can set the background color of a banner at any time by simply setting the background color. By default, each notification banner is placed onto a singleton of an auto-managed NotificationBannerQueue...