Add Privacy Manifest (Enforce in App Store on May 1st)

[yungkienpoh-prestolabs]

Hello -

I'm wondering what plans there are to add a Privacy Manifest?
The App Store will be enforcing this more strictly starting on May 1st.
Thanks!

https://developer.apple.com/support/third-party-SDK-requirements/
https://developer.apple.com/documentation/bundleresources/privacy_manifest_files/describing_use_of_required_reason_api

[yungkienpoh-prestolabs]

Created a PR to add Privacy Manifest file, feel free to review and merge if it is okay, thanks a lot!
#199