Changed the readme to use the correct icon
Changed the readme to use the correct icon

JuliaSoboleva/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary,JuliaSoboleva/SmartReceiptsLibrary,wbaumann/SmartReceiptsLibrary