fix: error en Assett::getTypeName(), faltava especificar DEMODATA

source/asset.cpp

@@ -127,6 +127,8 @@ std::string Asset::getTypeName(AssetType type) const
         return "LANG";
     case AssetType::DATA:
         return "DATA";
+    case AssetType::DEMODATA:
+        return "DEMODATA";
     case AssetType::ANIMATION:
         return "ANIMATION";
     case AssetType::PALETTE: