Add instruction for compiling translated strings before release

RELEASE.md

@@ -12,6 +12,10 @@ Add a file `key.properties` under the android/ directory
 
 Make sure that the build number is incremented every time (or it will be rejected by Play Store).
 
+### Copy Translations
+
+Ensure that the translation files have been updated, and copied into the correct directory!!
+
 ### Build Appbundle
 
 `flutter build appbundle`

lib/main.dart

@@ -73,7 +73,7 @@ class InvenTreeApp extends StatelessWidget {
       ],
       supportedLocales: [
         const Locale('de', ''),
-        const Locale('en', ''), // English, no country code
+        const Locale('en', ''),
         const Locale('es', ''),
         const Locale('fr', ''),
         const Locale('it', ''),