To reduce loading and appearing time of
BearViewCotroller you could preload the BearSDK resources. At the same time you may need to release the memory used by BearSDK you have to use
preload(_ bearDidLoad: (() - Void)?)- Preloads the BearSDK resources,
bearDidLoadclosure will be executed when all resources will be loaded.
isLoaded- The status of the BearSDK resources.
destroy- Destroys all loaded BearSDK resources.
Note: once loaded Bear SDK resources will be kept until