Merge branch '49-add-support-security-contact-us-like-in-the-user-manual' into '1.3'

Resolve "add support / security / contact us like in the user manual"

Closes #49

See merge request fusiondirectory/dev-manual!80

(cherry picked from commit e3aac504)

178f3d45  feat(doc) add support / security / contact us like in the user manual