add privacy manifest for apple

[omarhadek]

Problem Statement

https://developer.apple.com/documentation/bundleresources/privacy_manifest_files/describing_use_of_required_reason_api

Solution Brainstorm

No response

[marandaneto]

The iOS SDK underneath already has it https://github.com/PostHog/posthog-ios/blob/main/PostHog/Resources/PrivacyInfo.xcprivacy and I'm not sure if this one needs the PrivacyInfo as well since it'd be pretty much the same file but I guess it won't hurt anyway.