[iOS]: Add Privacy Manifest file

[satoshiotomakan]

Description

Add Privacy Manifest file with the required reason API used in WalletCore on iOS.

API documented:

• mach_absolute_time (System Boot Time API) - 35F9.1

Declare this reason to access the system boot time in order to measure the amount of time that has elapsed between events that occurred within the app or to perform calculations to enable timers.

• fstat, lstat (Disk Space API) - 85F4.1

Declare this reason to display disk space information to the person using the device. Disk space may be displayed in units of information (such as bytes) or units of time combined with a media type (such as minutes of HD video).
Information accessed for this reason, or any derived information, may not be sent off-device.

• stat, fstat, lstat (File Timestamp API) - C617.1

Declare this reason to access the timestamps, size, or other metadata of files inside the app container, app group container, or the app’s CloudKit container.

[github-actions]

Binary size comparison

➡️ aarch64-apple-ios: 11.72 MB

➡️ aarch64-apple-ios-sim: 11.72 MB

➡️ aarch64-linux-android: 15.22 MB

➡️ armv7-linux-androideabi: 12.71 MB

➡️ wasm32-unknown-emscripten: 10.55 MB