Fix locales

Reordering locales will make English default now.
Additionally, one translation bug was fixed.

lib/l10n/app_de.arb

@@ -2,7 +2,7 @@
   "ok": "OK",
   "name": "Name",
   "amount": "Menge",
-  "amountPer": "Amount in 100 g/ml",
+  "amountPer": "Menge in 100 g/ml",
   "kcalper": "kcal pro 100 g/ml",
   "kcalToday": "kcal heute",
   "menu": "Menü",

lib/main.dart

@@ -77,7 +77,6 @@ class MainApp extends StatelessWidget {
             }
 
             return MaterialApp.router(
-              //locale: Locale('de'),
               routerConfig: GoRouter(
                 routes: [
                   GoRoute(
@@ -91,7 +90,10 @@ class MainApp extends StatelessWidget {
                 ],
               ),
               localizationsDelegates: AppLocalizations.localizationsDelegates,
-              supportedLocales: AppLocalizations.supportedLocales,
+              supportedLocales: [
+                Locale('en'),
+                Locale('de'),
+              ],
               theme: ThemeData(
                 dividerTheme: const DividerThemeData(space: 2),
                 colorScheme: ColorScheme.fromSeed(