theme: add spec documentation for all stabilized theme groups in 1.23

theme: add spec documentation for all stabilized theme groups in 1.23

Summary:
this is just output from edje-theme-spec tool. it isn't really enough to
be considered full theme documentation, but it's better than nothing

ref T8231
Depends on D10196

Subscribers: segfaultxavi, cedric, #reviewers, #committers

Tags: #efl

Maniphest Tasks: T8231

Differential Revision: https://phab.enlightenment.org/D10197