Add privacy manifest

[AlexandraKolomoitseva]

Hello!

Third-party SDKs should include a privacy manifest by Spring according to Apple new requirements :

https://developer.apple.com/support/third-party-SDK-requirements/

Would it be possible to add it to SwiftySound for NSPrivacyAccessedAPICategoryUserDefaults?
https://developer.apple.com/documentation/bundleresources/privacy_manifest_files/describing_use_of_required_reason_api

Thanks.