[clr-ios] Stand up iOS SDK and MAUI test on Apple mobile using interpreter + R2R

[kotlarmilos]

Description

Stand up iOS SDK and MAUI tests on Apple mobile platforms (iOS, tvOS, MacCatalyst) using CoreCLR with interpreter + R2R. Validate end-to-end app execution in both device and simulator environments.

Tasks

• Add build props for interpreter + R2R
• Standup iOS SDK testss on devices and simulators
• Standup MAUI tests on devices and simulators
• Update docs to run tests with CoreCLR

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