[#2940] Add OpenKlant2 configuration model #8323

Job	Run time
Build and check documentation	1m 34s
End-to-end tests, chromium	3m 51s
Check that documentation for configuration steps is up-to-date	1m 27s
End-to-end tests, firefox	3m 55s
End-to-end tests, webkit	4m 6s
Run the Django test suite (main)	18m 22s
End-to-end tests, msedge	3m 57s
Run the Django test suite (elastic)	4m 57s
Run the Django test suite (openklant)	3m 26s
Upload coverage information to codecov	0s
Build (and push) Docker image	0s
	45m 35s

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