FEAT #13664 TIME 3:15 begin admin alfresco + fix redirect undefined route to home

...ntend/app/administration/administration-routing.module.ts

src/frontend/app/administration/administration.module.ts

...istration/alfresco/alfresco-administration.component.html

...istration/alfresco/alfresco-administration.component.scss

...inistration/alfresco/alfresco-administration.component.ts

...tion/alfresco/alfresco-list-administration.component.html

...ration/alfresco/alfresco-list-administration.component.ts

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

src/frontend/app/app.component.ts

src/frontend/assets/alfresco.svg

src/frontend/css/engine.scss

src/frontend/css/others-logo.scss

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts

src/frontend/service/privileges.service.ts