Convert external chunking documentation to doxygen #1968

Job	Run time
Autotools Parallel Workflows / Parallel GCC-debug	4m 26s
Autotools Parallel Special Workflows / gcc DBG parallel -Werror (build only)	4m 6s
Autotools Parallel Special Workflows / gcc REL parallel -Werror (build only)	4m 20s
Autotools Special Workflows / gcc DBG v1.6 default API (build only)	5m 5s
Autotools Special Workflows / gcc DBG v1.8 default API (build only)	5m 15s
Autotools Special Workflows / gcc DBG v1.10 default API (build only)	4m 57s
Autotools Special Workflows / gcc DBG v1.12 default API (build only)	5m 10s
Autotools Special Workflows / gcc DBG v1.14 default API (build only)	4m 55s
Autotools Special Workflows / gcc DBG -Werror (build only)	4m 23s
Autotools Special Workflows / gcc no deprecated symbols (build only)	4m 50s
Autotools Special Workflows / gcc REL -Werror (build only)	5m 16s
Autotools Debug Workflows / GCC-debug-TS=disabled	12m 48s
Autotools Debug Thread-Safety Workflows / GCC-debug-TS=enabled	4m 17s
Autotools aocc Workflows / aocc production	17m 42s
Autotools Parallel Workflows / Parallel GCC-production	4m 51s
Autotools Release Thread-Safety Workflows / GCC-production-TS=enabled	4m 54s
Autotools Intel Workflows / linux-oneapi production	13m 20s
Autotools Julia Workflows / julia production	6m 15s
Autotools nvhpc Workflows / nvhpc production	19m 0s
Autotools Release Workflows / GCC-production-TS=disabled	12m 43s
Autotools TestExpress Workflows / Autotools production Express Test Workflows	12m 41s
Autotools TestExpress Workflows / Autotools debug Express Test Workflows	14m 55s
	2h 56m 9s

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