FEAT #1158 TIME 0:20 add check serveur onlyoffice

...pp/contentManagement/controllers/OnlyOfficeController.php

src/frontend/app/app-common.module.ts

src/frontend/app/app.module.ts

src/frontend/css/maarch-material.css

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts

.../plugins/onlyoffice-api-js/onlyoffice-viewer.component.ts