Add animals sprite file

Assets/Sprites/animals.yaml

@@ -0,0 +1,15 @@
+uuid: 60a910d7-89f0-4cf7-adbb-8958ba9f007f
+source: animals.png
+animations:
+  deer:
+    sets:
+      animal:
+        subsets:
+          west:
+            frames:
+              - x: 0
+                y: 0
+                width: 17
+                height: 17
+                origin_x: 10
+                origin_y: 15