Table of content adjustement to Drfat CRA Vertical standard structure.

 Modification of use case naming (introducing critical or none critical entity concept).
 Adding of out of scope context as proposed by Nick Pope.
 Adding of   ANNEXES
to the
Commission Implementing Regulation
on the technical description of the categories of important and critical products with
digital elements pursuant to Regulation (EU) 2024/2847 of the European Parliament and
of the Council PKI definition.