Fix input issues

Assets/Scripts/BackpackInput.cs

@@ -0,0 +1,36 @@
+using UnityEngine;
+
+public class BackpackInput : MonoBehaviour, ITouchInputConsumer
+{
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public void OnTap(Vector2 position)
+    {
+        return;
+    }
+
+    public void OnHoldStart(Vector2 position)
+    {
+        return;
+    }
+
+    public void OnHoldMove(Vector2 position)
+    {
+        return;
+    }
+
+    public void OnHoldEnd(Vector2 position)
+    {
+        return;
+    }
+}