Mdm::ModuleDetail specs

[#47750371]
Mdm::ModuleAction spes

[#47750371]
Mdm::ModuleArchs specs

[#47750371]
Mdm::ModuleArch database specs

[#47750371]
Mdm::ModuleAuthor spec

[#47750371]
Mdm::ModuleMixin specs

[#47750371]
Mdm::ModulePlatform spec

[#47750371]
Mdm::ModuleRef spec

[#47750371]
Mdm::ModuleTarget spec

[#47750371]
Merges #13, for real this time.

9c422c47c actually only brought in the coverage reporting, as noticed by
@limhoff-r7. This actually brings #13 in as well.