Add Platform and minor bug fixes #31

Job	Run time
Build SwiftPM / Build	47s
Build SwiftPM / Build	50s
Build macOS examples / Run examples	1m 9s
Build macOS examples / Run examples	45s
Build iOS example (platform=iOS Simulator,name=iPad Pro (12.9-inch) (6th generation),OS=17.2) / Run examples	1m 8s
Build iOS example (platform=iOS Simulator,name=iPad Pro (12.9-inch) (6th generation),OS=17.2) / Run examples	49s
Build iOS example (platform=iOS Simulator,name=iPhone 15 Pro,OS=17.2) / Run examples	42s
Build iOS example (platform=iOS Simulator,name=iPhone 15 Pro,OS=17.2) / Run examples	48s
Build tvOS examples (platform=tvOS Simulator,name=Apple TV 4K (3rd generation) (at 1080p),OS=16.4) / Run examples	1m 9s
Build tvOS examples (platform=tvOS Simulator,name=Apple TV 4K (3rd generation) (at 1080p),OS=16.4) / Run examples	49s
Build tvOS examples (platform=tvOS Simulator,name=Apple TV 4K (3rd generation) (at 1080p),OS=17.2) / Run examples	1m 4s
Build tvOS examples (platform=tvOS Simulator,name=Apple TV 4K (3rd generation) (at 1080p),OS=17.2) / Run examples	1s
Build watchOS examples (platform=watchOS Simulator,name=Apple Watch SE (44mm) (2nd generation),OS... / Run examples	36s
Build watchOS examples (platform=watchOS Simulator,name=Apple Watch SE (44mm) (2nd generation),OS... / Run examples	47s
	11m 24s

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