docs(swf): refactoring swf into chf and olf chapters #3585

Job	Run time
Build	12m 42s
Check format	1m 48s
Smoke test	13m 3s
Extended testing (ubuntu-22.04)	24m 56s
Test GNU fortran (macos-13, false)	34m 54s
Extended testing (macos-13)	47m 59s
Test Intel fortran (ubuntu-22.04)	40m 50s
Test GNU fortran (macos-14, false)	23m 51s
Extended testing (windows-2022)	52m 15s
Test Intel fortran (macos-13)	33m 47s
Test GNU fortran (macos-14, true)	34m 47s
Test Intel fortran (windows-2022)	36m 34s
Test GNU fortran (ubuntu-22.04, false)	45m 11s
Test GNU fortran (ubuntu-22.04, true)	1h 40m 57s
Test GNU fortran (windows-2022, false)	38m 39s
	9h 2m 13s

Provide feedback