Draft: Add checks to the configure script and improve devices-* services.
This is a part of the effort to address the issues outlined in https://framagit.org/pkg/obmods/boot-66serv/-/issues/2.
It is work in progress, but it seems rather stable in my tests :)
Currently the tests are enabled with CHECK_CONFIGURATION=yes
.
Work that remains to be done:
- add a devices-mdraid service and checks for it
- add documentation for the new behaviour and environment key
- make sure all tests make sense and are are working correctly.