System/Trust - explain file layout for reference

[AdSchellevis]

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• I have searched the existing issues and I am convinced that mine is new.

Is your feature request related to a problem? Please describe.

Our software tries to use the standard openssl file layout as far as possible, but since some scripts are responsible for parts of the layout it might be good te explain them (such as the rehash function)

Describe the solution you like

Just some technical reference.

Describe alternatives you considered

none