Add documentation for Accelerators and update examples to reproduce journal submission #2174

Job	Run time
Julia lts - ubuntu-latest - - pull_request	9m 6s
Julia lts - windows-latest - - pull_request	11m 18s
Julia lts - macOS-latest - - pull_request	6m 9s
Julia 1 - ubuntu-latest - - pull_request	14m 25s
Julia 1 - windows-latest - - pull_request	15m 55s
Julia 1 - macOS-latest - - pull_request	12m 39s
test_success	1s
	1h 9m 33s

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