iOS的音频播放
使用方法：
pod 'ADAudioTool', '~> 1.0.0'
接口说明：
+ (void)playAudioWithUrl:(NSString *)urlString soundIDName:(NSString *)soundIDName;
+ (void)playMainBoundAudioWithName:(NSString *)name;
+ (void)playDocumnetAudioWithName:(NSString *)name;
+ (void)playSystemAudioWithBound:(UInt32)soundID;