Add AacFlLayer.WithDefaultState(...) to change the default state:

- Add WithDefaultState to change the default state of a layer

Framework/Editor/V0/Aac.cs

@@ -239,6 +239,12 @@ namespace AnimatorAsCode.V0
 
             WithAvatarMask(avatarMask);
         }
+
+        public AacFlLayer WithDefaultState(AacFlState newDefaultState)
+        {
+            _stateMachine.WithDefaultState(newDefaultState);
+            return this;
+        }
     }
 
     public class AacFlBase

Framework/Editor/V0/AacFlStates.cs

@@ -197,6 +197,12 @@ namespace AnimatorAsCode.V0
         {
             return new Vector3(x * _gridShiftX , y * _gridShiftY, 0);
         }
+
+        public AacStateMachine WithDefaultState(AacFlState newDefaultState)
+        {
+            _machine.defaultState = newDefaultState.State;
+            return this;
+        }
     }
 
     public class AacFlState

README.md

@@ -608,6 +608,7 @@ foreach (var cancelWhenNotAllowed in new[] {auto, reverse, manual, custom, done}
 - `AacFlLayer WithAvatarMask(AvatarMask avatarMask)` /// Set the Avatar Mask of the layer.
 - `void WithAvatarMaskNoTransforms()` /// Set the Avatar Mask of the layer to be an Avatar Mask which denies all transforms. The asset is generated into the container.
 - `void ResolveAvatarMask(Transform[] paths)` /// Set the Avatar Mask of the layer to be an Avatar Mask that allows the specified transforms. If `paths` is an empty array, all transforms are denied, which is effectively the same as calling `.WithAvatarMaskNoTransforms()`. The asset is generated into the container.
+- `AacFlLayer WithDefaultState(AacFlState newDefaultState)` /// Set the default state of the layer upon entry.
 
 # Avatars 3.0 (AacAv3)