feat: add admin page

lib/l10n/app_localizations_en.dart

@@ -41,6 +41,30 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get logout => 'Logout';
 
+  @override
+  String get admin => 'Admin';
+
+  @override
+  String get adminDescription =>
+      'Restricted tools for managing products and importing names.';
+
+  @override
+  String get adminTools => 'Admin tools';
+
+  @override
+  String get importData => 'Import';
+
+  @override
+  String get importNames => 'Import names';
+
+  @override
+  String get importNamesDescription =>
+      'Prepare a list of names to use as tabs later.';
+
+  @override
+  String get importPlaceholder =>
+      'Importing names will be available here later.';
+
   @override
   String get openOrSelectTab => 'Open or select a tab first.';
 
@@ -91,6 +115,24 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get changePin => 'Change PIN';
 
+  @override
+  String get adminPin => 'Admin PIN';
+
+  @override
+  String get adminPinConfigured => 'Configured';
+
+  @override
+  String get adminPinNotSet => 'Not set';
+
+  @override
+  String get setAdminPin => 'Set admin PIN';
+
+  @override
+  String get enterCurrentAdminPin => 'Enter current admin PIN';
+
+  @override
+  String get enterNewAdminPin => 'Enter new admin PIN';
+
   @override
   String get appearance => 'Appearance';
 
@@ -295,6 +337,18 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get createPin => 'Create a PIN';
 
+  @override
+  String get enterAdminPin => 'Enter admin PIN';
+
+  @override
+  String get createAdminPin => 'Create admin PIN';
+
+  @override
+  String get confirmAdminPin => 'Confirm admin PIN';
+
+  @override
+  String get adminPinSubtitle => 'You’ll use this to access admin tools';
+
   @override
   String get pinsDidNotMatch => 'PINs didn’t match. Try again.';