Introduce docc documentation and "supported features" #747

Job	Run time
Test (Java) (jammy swift:6.1.2 jdk:corretto)	2m 59s
Benchmark (JMH) (jammy swift:6.1.2 jdk:corretto)	7m 36s
Test (Java) (macos swift:6.1.2 jdk:corretto)	3m 21s
Test (Swift) (jammy swift:6.1.2 jdk:corretto)	6m 2s
Test (Swift) (macos swift:6.1.2 jdk:corretto)	1s
Sample JavaSieve (jammy swift:6.1.2 jdk:corretto)	1m 57s
Sample JavaKitSampleApp (jammy swift:6.1.2 jdk:corretto)	4m 53s
Sample JavaDependencySampleApp (jammy swift:6.1.2 jdk:corretto)	5m 21s
Sample JavaProbablyPrime (jammy swift:6.1.2 jdk:corretto)	4m 54s
Sample SwiftKitSampleApp (jammy swift:6.1.2 jdk:corretto)	5m 44s
Sample JavaSieve (macos swift:6.1.2 jdk:corretto)	3m 47s
Sample SwiftAndJavaJarSampleLib (jammy swift:6.1.2 jdk:corretto)	4m 35s
Sample JavaKitSampleApp (macos swift:6.1.2 jdk:corretto)	5m 46s
Sample JavaProbablyPrime (macos swift:6.1.2 jdk:corretto)	26m 47s
Sample JExtractJNISampleApp (macos swift:6.1.2 jdk:corretto)	6m 5s
Sample SwiftKitSampleApp (macos swift:6.1.2 jdk:corretto)	2m 50s
Sample JExtractJNISampleApp (jammy swift:6.1.2 jdk:corretto)	5m 28s
Sample SwiftAndJavaJarSampleLib (macos swift:6.1.2 jdk:corretto)	5m 19s
Sample JavaDependencySampleApp (macos swift:6.1.2 jdk:corretto)	26m 47s
soundness / Documentation check	32s
soundness / Python lint check	8s
soundness / YAML lint check	6s
soundness / Unacceptable language check	6s
soundness / Broken symlinks check	3s
soundness / Format check	0s
soundness / API breakage check	0s
soundness / Shell check	40s
soundness / License headers check	7s
	2h 11m 54s

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