feat: Add per-class identityMode via @JS macro parameter #42

Job	Run time
Build for native target (macos-15, Xcode_16.4)	3m 14s
check-bridgejs-generated	2m 34s
Test BridgeJS against Swift versions (swift:6.3, 603.0.0)	3m 5s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	12m 57s
prettier	15s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 7s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	13m 9s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	13m 37s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	3m 0s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	16m 21s
format	44s
build-examples	20m 9s
deploy-examples	0s
	1h 32m 12s

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