Update docs for setHeading #117

Job	Run time
Test Processing	1m 10s
(linux/aarch64) Create Processing Build	9m 20s
(linux/x64) Create Processing Build	8m 39s
(windows/x64) Create Processing Build	14m 33s
(macos/x64) Create Processing Build	7m 33s
(macos/aarch64) Create Processing Build	3m 47s
	45m 2s

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