Add user locale

assets/styles/app.scss

config/packages/security.yaml

config/packages/translation.yaml

config/services.yaml

migrations/Version20220311092854.php

src/Builder/UserBuilder.php

src/Command/UpdateUserLocale.php

src/Controller/CapsuleController.php

src/Controller/CapsuleEditorController.php

src/Controller/CapsuleGroupController.php

src/Controller/ProjectController.php

src/Controller/SecurityController.php

src/Controller/UserController.php

src/Entity/User.php

src/EventSubscriber/LocaleSubscriber.php

src/Form/ChooseLanguageFormType.php

templates/capsule/editors/list_editors.html.twig

templates/capsule/index.html.twig

templates/connexion.html.twig

templates/layout.html.twig