Method to check if it is full of objects

src/billy_objects.cpp

@@ -80,6 +80,10 @@ namespace character {
         return false;
     }
 
+    bool BillyObjects::is_full(const CharacterSheet &sheet) noexcept {
+        return sheet.get_objects().size() >= max_obj;
+    }
+
     void BillyObjects::change_carac(const billyObjects &arg,
                                     CharacterSheet &sheet,
                                     Characteristic &localHabilete,