add basic inventory, fading walls

Assets/Scripts/Inventory/ItemDescriptionUI.cs

@@ -0,0 +1,20 @@
+using TMPro;
+using UnityEngine;
+
+public class ItemDescriptionUI : MonoBehaviour
+{
+    public string descriptionText = "";
+    TextMeshProUGUI text;
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        text = GetComponent<TextMeshProUGUI>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        text.text = descriptionText;
+    }
+}