Second commit

Assets/Code/D/Cleaning/UI/CleanToolWidget.cs

@@ -0,0 +1,9 @@
+using UnityEngine;
+
+namespace Code.D.Cleaning.UI
+{
+    public abstract class CleanToolWidget : MonoBehaviour
+    {
+        public abstract void SetToolDirtiness(float dirtiness);
+    }
+}