Other/complete missing init files #10

Job	Run time
build-and-test (windows-latest, Visual Studio 17 2022)	11m 54s
install-build-and-test (windows-latest, Visual Studio 17 2022)	52s
install-build-and-test (ubuntu-latest, Ninja)	9m 10s
build-and-test (ubuntu-latest, Ninja)	9m 54s
	31m 50s

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