Add dev docs for logging #4230

Job	Run time
e2e-fleet-test (v1.30.2-k3s2, default)	8m 47s
e2e-fleet-test (v1.30.2-k3s2, default)	8m 47s
e2e-fleet-test (v1.30.2-k3s2, sharding, [{"id":"shard0"},{"id":"shard1"},{"id":"shard2"}])	5m 41s
e2e-fleet-test (v1.30.2-k3s2, sharding, [{"id":"shard0"},{"id":"shard1"},{"id":"shard2"}])	5m 41s
e2e-fleet-test (v1.30.2-k3s2, infra-setup)	9m 44s
e2e-fleet-test (v1.30.2-k3s2, infra-setup)	8m 57s
e2e-fleet-test (v1.24.17-k3s1, default)	9m 21s
e2e-fleet-test (v1.24.17-k3s1, default)	9m 21s
e2e-fleet-test (v1.24.17-k3s1, sharding, [{"id":"shard0"},{"id":"shard1"},{"id":"shard2"}])	12m 34s
e2e-fleet-test (v1.24.17-k3s1, sharding, [{"id":"shard0"},{"id":"shard1"},{"id":"shard2"}])	12m 34s
e2e-fleet-test (v1.24.17-k3s1, infra-setup)	9m 36s
e2e-fleet-test (v1.24.17-k3s1, infra-setup)	9m 36s
	1h 50m 39s

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