docs: generate sidebar for main docs (#11139) #36106

Job	Run time
setup	2m 4s
integration-tests-packages	12m 32s
Shard (0) HTTP Integration Tests	11m 34s
Shard (1) HTTP Integration Tests	8m 18s
Shard (0) Unit Tests	8m 40s
Shard (0) Module Integration Tests	9m 56s
Shard (1) Unit Tests	5m 2s
Shard (1) Module Integration Tests	8m 38s
unit-tests	1s
integration-tests-modules	1s
integration-tests-http	1s
	1h 6m 47s

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