feat: Add iOS target

[PenguinDan]

This PR

Adds support for the iOS target to the Kotlin SDK.

• Adds iosArm64, iosX64, and iosSimulatorArm64 targets to the build configuration.
• Updates the README.md to reflect iOS support.

A major use case for a Kotlin SDK is allowing the implementation to be utilized on Kotlin Multiplatform projects, so updating things here to support that use case

Related Issues

This change enables the SDK to be used in Kotlin Multiplatform Mobile (KMM) projects targeting iOS devices and simulators (both Apple Silicon and Intel).

Follow-up Tasks

• specific iOS integration tests

[gemini-code-assist]

Summary of Changes

Hello @PenguinDan, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly expands the Kotlin SDK's compatibility by introducing support for iOS targets. This enhancement allows the SDK to be seamlessly integrated into Kotlin Multiplatform Mobile (KMM) projects, enabling developers to target iOS devices and simulators across both Apple Silicon and Intel architectures. The change primarily involves updating the build configuration and documentation to reflect this new capability.

Highlights

• iOS Target Support: Added support for iOS targets (iosArm64, iosX64, and iosSimulatorArm64) to the Kotlin SDK build configuration.
• Documentation Update: Updated the README.md file to reflect the newly added iOS support in the list of Kotlin Multiplatform Targets.

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[gemini-code-assist]

Code Review

This pull request adds support for iOS targets to the Kotlin SDK, which is a great addition for enabling its use in Kotlin Multiplatform Mobile projects. The changes in README.md correctly reflect this new capability. My main feedback is on the build.gradle.kts file, where I've suggested an improvement to better configure the iOS framework output, making it easier for developers to integrate into their Xcode projects. This involves grouping the iOS targets and setting a base name for the framework, which is a common practice for KMM libraries.

[bencehornak]

Thanks for this, @PenguinDan ! Since I have no Mac, I can't validate if the compilation works. Could you implement a CI/CD pipeline on a Mac worker to run tests for the new tatgets and to publish their artifacts?