Add prerequisite steps to the client example documentation #231

Job	Run time
Compatibility test	5m 14s
Unit tests / Construct unit test matrix	5s
Example packages / Linux (5.9)	18m 15s
Example packages / Windows (6.0)	2s
Example packages / Windows (nightly-6.0)	3s
Example packages / Linux (5.10)	15m 24s
Example packages / Linux (6.0)	18m 3s
Example packages / Windows (nightly-main)	1s
Example packages / Linux (nightly-6.0)	22m 26s
Example packages / Linux (nightly-main)	30s
Integration test / Linux (5.9)	1m 49s
Integration test / Windows (6.0)	1s
Integration test / Linux (5.10)	1m 37s
Integration test / Windows (nightly-6.0)	1s
Integration test / Windows (nightly-main)	1s
Integration test / Linux (6.0)	2m 0s
Integration test / Linux (nightly-6.0)	2m 15s
Soundness / API breakage check	0s
Integration test / Linux (nightly-main)	34s
Soundness / Broken symlinks check	3s
Soundness / Documentation check	1m 42s
Soundness / Format check	33s
Soundness / License headers check	5s
Soundness / Python lint check	4s
Soundness / Shell check	31s
Soundness / Unacceptable language check	2s
Soundness / YAML lint check	0s
Unit tests / Unit tests / Linux (5.9)	1m 33s
Unit tests / Unit tests / Linux (5.10)	1m 33s
Unit tests / Unit tests / Linux (6.0)	1m 45s
Unit tests / Unit tests / Linux (nightly-6.0)	2m 1s
	1h 38m 13s

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