docs: add sidebar navigation icons to doc pages #1019

Job	Run time
e2e	2m 56s
unit-test / test (windows-latest, 24)	4m 23s
unit-test / lint	4m 10s
unit-test / test (ubuntu-latest, 24)	2m 54s
unit-test / test (ubuntu-latest, 26)	2m 49s
unit-test / test (ubuntu-latest, 22)	2m 49s
unit-test / test (windows-latest, 26)	4m 16s
unit-test / test (windows-latest, 22)	4m 49s
	29m 6s

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