⚡️ Reorg lint rules header

Author: AlexV525

packages/core/lib/generators/generator_helper.dart

@@ -10,11 +10,18 @@ String get header {
 ''';
 }
 
+const _ignoredRules = <String>[
+  'deprecated_member_use',
+  'directives_ordering',
+  'implicit_dynamic_list_literal',
+  'unnecessary_import',
+];
+
 String get ignore {
   return '''// coverage:ignore-file
 // ignore_for_file: type=lint
-// ignore_for_file: directives_ordering,unnecessary_import,implicit_dynamic_list_literal,deprecated_member_use
-  
+// ignore_for_file: ${_ignoredRules.join(',')}
+
 ''';
 }