FEAT #8840 TU create user

modules/visa/xml/remoteSignatoryBooks.xml

sql/develop.sql

sql/structure.sql

src/app/user/controllers/UserController.php

...pp/administration/user/user-administration.component.html

.../app/administration/user/user-administration.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts