Add stuff for UI

Assets/Sprites/ui.yaml

@@ -0,0 +1,21 @@
+uuid: 01056b82-09b2-475a-b336-3217fc474f08
+source: ""
+animations:
+  menu:
+    sets:
+      decorative:
+        subsets:
+          scary-boi:
+            frames:
+              - x: 0
+                y: 0
+                width: 782
+                height: 862
+            source: scary-boi.png
+          scary-bun:
+            frames:
+              - x: 0
+                y: 0
+                width: 500
+                height: 864
+            source: scary-bun.png