[examples] add an example project to show test strategies #397

Job	Run time
musl	1m 29s
Semantic Version label check	3s
Unit tests / Construct unit test matrix	3s
Integration Tests / Test archive plugin	2m 39s
Integration Tests / Test Examples/APIGateway on 6.0.1-amazonlinux2	33s
Integration Tests / Test Examples/BackgroundTasks on 6.0.1-amazonlinux2	29s
Integration Tests / Test Examples/HelloJSON on 6.0.1-amazonlinux2	30s
Integration Tests / Test Examples/HelloWorld on 6.0.1-amazonlinux2	31s
Soundness / API breakage check	1m 42s
Integration Tests / Test Examples/S3_AWSSDK on 6.0.1-amazonlinux2	30s
Integration Tests / Test Examples/S3_Soto on 6.0.1-amazonlinux2	29s
Integration Tests / Test Examples/Streaming on 6.0.1-amazonlinux2	34s
Soundness / Documentation check	1m 28s
Soundness / Broken symlinks check	4s
Soundness / Format check	32s
Soundness / License headers check	5s
Soundness / Unacceptable language check	3s
Soundness / Python lint check	9s
Soundness / Shell check	30s
Soundness / YAML lint check	3s
Swift 6 Language Mode / Swift 6 language mode	1m 14s
Unit tests / Unit tests / Linux (6.0)	1m 17s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 30s
Unit tests / Unit tests / Linux (nightly-main)	1m 27s
	17m 54s

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