Merge branch '48-move-all-fusiondirectory-dev-manual-into-a-fusiondirectory-subidrectory' into '1.3'

Resolve "move all fusiondirectory dev manual into a fusiondirectory subidrectory"

Closes #48

See merge request fusiondirectory/dev-manual!78

(cherry picked from commit 35f516dd)

a5e76c2b 🤝 fix(move) move all fusiondirectory dev manual into a fusiondirectory subidrectory