Add Shop system with ShopManager, ShopUI, and ShopSlotUI; implement item purchasing and shop UI functionality

Assets/Scripts/Inventory/StatModifierItem.cs

@@ -12,8 +12,31 @@ namespace Inventory
         public string itemName;
         [TextArea] public string description;
         public Sprite icon;
+        public int price;
         
         public List<IStatModifier> cures = new();
         public List<IStatModifier> curses = new();
+        
+        [Button("Build Description")]
+        private void BuildDescription()
+        {
+            var descriptionBuilder = new System.Text.StringBuilder();
+            foreach (var modifier in cures)
+            {
+                if (descriptionBuilder.Length > 0) descriptionBuilder.Append(", ");
+                
+                var desc = $"Cure: {modifier.Description}";
+                descriptionBuilder.Append(desc);
+            }
+            
+            foreach (var modifier in curses)
+            {
+                if (descriptionBuilder.Length > 0) descriptionBuilder.Append(", ");
+                var desc = $"Curse: {modifier.Description}";
+                descriptionBuilder.Append(desc);
+            }
+            
+            description = descriptionBuilder.ToString();
+        }
     }
 }

Assets/Scripts/Inventory/WeaponItem.cs

@@ -10,5 +10,6 @@ namespace Inventory
         [OdinSerialize, TextArea] public string description;
         [OdinSerialize] public GameObject prefab;
         [OdinSerialize] public Sprite icon;
+        [OdinSerialize] public int price;
     }
 }