UI: #334 add config page language setting (#374)

* UI: #334 add config page language setting

* temporary remove logout button

* Unify fullscreen view class for dialog expanded and settings view

- Replace dialog-expanded and settings-view with single fullscreen-view class
- Update ResponsiveDialog to use fullscreen-view class
- Update CalendarLayout to use fullscreen-view class for settings view
- Consolidate CSS rules in Menubar.styl to use fullscreen-view
- Update test cases to use new class name

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Co-authored-by: Lê Nhân Phụng <lenhanphung@Phung-Mac-M4.local>

src/locales/fr.json

@@ -185,7 +185,20 @@
     },
     "apps": "Applications",
     "userProfile": "Profil utilisateur",
-    "logoAlt": "Calendrier"
+    "logoAlt": "Calendrier",
+    "settings": "Paramètres",
+    "logout": "Déconnexion"
+  },
+  "settings": {
+    "title": "Paramètres",
+    "notifications": "Notifications",
+    "sync": "Synchronisation",
+    "language": "Langue",
+    "languageDescription": "Ce sera la langue utilisée dans votre Twake Calendar",
+    "languageSelector": "Sélecteur de langue",
+    "notifications.empty": "Paramètres de notifications à venir",
+    "sync.empty": "Paramètres de synchronisation à venir",
+    "back": "Retour au calendrier"
   },
   "eventPreview": {
     "emailAttendees": "Envoyer un e-mail aux participants",