feat(decorators): add three new decorators

Assets/FluidBehaviorTree/Runtime/BehaviorTree/Builder/BehaviorTreeBuilder.cs

@@ -72,6 +72,18 @@ public BehaviorTreeBuilder ReturnFailure (string name = "return failure") {
             return ParentTask<ReturnFailure>(name);
         }
 
+        public BehaviorTreeBuilder RepeatUntilSuccess (string name = "repeat until success") {
+            return ParentTask<RepeatUntilSuccess>(name);
+        }
+
+        public BehaviorTreeBuilder RepeatUntilFailure (string name = "repeat until failure") {
+            return ParentTask<RepeatUntilFailure>(name);
+        }
+
+        public BehaviorTreeBuilder RepeatForever (string name = "repeat forever") {
+            return ParentTask<RepeatForever>(name);
+        }
+
         public BehaviorTreeBuilder Sequence (string name = "sequence") {
             return ParentTask<Sequence>(name);
         }

Assets/FluidBehaviorTree/Runtime/Decorators/RepeatForever.cs

@@ -0,0 +1,14 @@
+using CleverCrow.Fluid.BTs.Trees;
+using CleverCrow.Fluid.BTs.Decorators;
+using CleverCrow.Fluid.BTs.Tasks;
+
+namespace CleverCrow.Fluid.BTs.Decorators {
+    public class RepeatForever : DecoratorBase {
+        public override string IconPath { get; } = $"{PACKAGE_ROOT}/Repeat.png";
+
+        protected override TaskStatus OnUpdate () {
+            Child.Update();
+            return TaskStatus.Continue;
+        }
+    }
+}