Documentation cleanup: initial pass #786

Job	Run time
clang-tidy	11m 45s
Build (docker-linux-x64)	30m 24s
clang-format	27s
Build (docker-linux-arm64)	26m 35s
Build (windows-x64)	30m 57s
Build (macos-x64)	28m 32s
Build (macos-arm64)	10m 3s
Pin Check / Pin Check	10s
License Check / License Check	4s
Build (linux-arm64)	12m 22s
Build (linux-x64)	20m 50s
Build (cpp-example-collection-linux-arm64)	4m 10s
Build (cpp-example-collection-x64)	4m 51s
	3h 1m 10s

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