[#2940] Add OpenKlant2 configuration model #8341

Job	Run time
Build and check documentation	1m 29s
End-to-end tests, chromium	4m 34s
End-to-end tests, firefox	4m 18s
Check that documentation for configuration steps is up-to-date	1m 30s
End-to-end tests, webkit	4m 35s
End-to-end tests, msedge	4m 35s
Run the Django test suite (main)	19m 52s
Run the Django test suite (elastic)	5m 3s
Run the Django test suite (openklant)	2m 18s
Build (and push) Docker image	0s
Upload coverage information to codecov	0s
	48m 14s

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