Feature: Add feature toggles and settings for modular features (e.g., Car, Inventory), enhance navigation for mobile/desktop, and improve i18n integration.

finlog_app/app/assets/i18n/en.i18n.json

@@ -27,6 +27,7 @@
   },
   "settings": {
     "title": "Settings",
+    "featureSettings": "Feature Settings",
     "sections": {
       "account": "Account & Data",
       "app": "App",
@@ -76,5 +77,23 @@
       "privacy": "Privacy",
       "termsOfService": "Terms of Service"
     }
+  },
+  "features": {
+    "inventory": {
+      "displayName": "Inventory",
+      "description": "Manages items, categories and storage locations."
+    },
+    "car": {
+      "displayName": "Car",
+      "description": "Vehicle tracking (fuel, maintenance, costs, mileage)."
+    },
+    "household": {
+      "displayName": "Household (incl. Budget)",
+      "description": "Household functions including budget planning."
+    },
+    "reports": {
+      "displayName": "Reports",
+      "description": "Statistics of expenses"
+    }
   }
 }