TF-3096 Add PublicAsset create quota exception

lib/features/public_asset/domain/exceptions/public_asset_exceptions.dart

@@ -2,6 +2,12 @@ class CannotCreatePublicAssetException implements Exception {
   const CannotCreatePublicAssetException();
 }
 
+class PublicAssetQuotaExceededException implements Exception {
+  const PublicAssetQuotaExceededException({required this.message});
+
+  final String? message;
+}
+
 class CannotDestroyPublicAssetException implements Exception {
   const CannotDestroyPublicAssetException();
 }