added serializable class

src/items/Inventory.cpp

@@ -44,7 +44,7 @@ void Inventory::move(
     }
 }
 
-void Inventory::read(const dynamic::Map* src) {
+void Inventory::deserialize(dynamic::Map* src) {
     auto slotsarr = src->list("slots");
     size_t slotscount = std::min(slotsarr->size(), slots.size());
     for (size_t i = 0; i < slotscount; i++) {
@@ -56,7 +56,7 @@ void Inventory::read(const dynamic::Map* src) {
     }
 }
 
-std::unique_ptr<dynamic::Map> Inventory::write() const {
+std::unique_ptr<dynamic::Map> Inventory::serialize() const {
     auto map = std::make_unique<dynamic::Map>();
     auto& slotsarr = map->putList("slots");
     for (size_t i = 0; i < slots.size(); i++) {