BAD: This gets the animation to control the camera, but it's a quick hack to prove it works.

assets/animations.json

@@ -288,5 +288,23 @@
     "toggled": false,
     "flipped": false,
     "looped": false
+  },
+  "test_zoom": {
+    "_type": "Animation",
+    "easing": 6,
+    "motion": 5,
+    "ease_rate": 0.5,
+    "min_x": 1.0,
+    "min_y": 1.0,
+    "max_x": 1.2,
+    "max_y": 1.2,
+    "simple": true,
+    "frames": 1,
+    "speed": 0.01,
+    "scaled": true,
+    "stationary": true,
+    "toggled": false,
+    "flipped": false,
+    "looped": false
   }
 }