Add JavaIO and CSV example #470

Job	Run time
Verify Samples (swift:6.0.2 jdk:Corretto os:jammy)	7m 42s
Java tests (swift:6.0.2 jdk:Corretto os:jammy)	7m 40s
Swift tests (swift:6.0.2 jdk:Corretto os:jammy)	4m 35s
soundness / Broken symlinks check	2s
soundness / Documentation check	33s
soundness / Format check	0s
soundness / API breakage check	0s
soundness / License headers check	4s
soundness / Python lint check	7s
soundness / Shell check	31s
soundness / Unacceptable language check	5s
soundness / YAML lint check	3s
	21m 22s

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