Add Tween tests

packages/example/src/tween/Tween.ts

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+import { Control } from "godot"
+import { Class } from "react-godot-renderer"
+import { TweenRoot } from "./TweenRoot"
+
+
+export default class Tween extends Class.make(Control, TweenRoot) {}

packages/example/src/tween/Tween.ts.uid

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+uid://cau87pj31qgqr

packages/example/src/tween/Tween.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://cc4bbuq05f7us"]
+
+[ext_resource type="Script" uid="uid://cau87pj31qgqr" path="res://src/tween/Tween.ts" id="1_cpsg0"]
+
+[node name="Tween" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_cpsg0")

packages/example/src/tween/TweenRoot.tsx

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+import Godot, { Vector2 } from "godot"
+import { useState } from "react"
+import { CenterContainer, CheckBox, HBoxContainer, Label, VBoxContainer } from "../components"
+
+
+export function TweenRoot() {
+    const [show, setShow] = useState(false)
+
+    return (
+        <CenterContainer
+            anchors_preset={Godot.Control.LayoutPreset.PRESET_FULL_RECT}
+        >
+            <VBoxContainer>
+                <HBoxContainer>
+                    <CheckBox
+                        button_pressed={show}
+                        toggled={setShow}
+                    />
+
+                    <Label text="Show" />
+                </HBoxContainer>
+
+                {show &&
+                    <Label
+                        anchors_preset={Godot.Control.LayoutPreset.PRESET_CENTER}
+                        text="Hello World!"
+                        ready={async function(this) {
+                            // If the Control node is a child of a [Container] node, the scale will be reset to Vector2(1, 1) when the scene is instantiated.
+                            // To set the Control's scale when it's instantiated, wait for one frame using await get_tree().process_frame then set its [member scale] property.
+                            await this.get_tree().process_frame.as_promise()
+
+                            this.scale = new Vector2(0, 0)
+                            const tween = this.create_tween()
+                            tween.tween_property(this, "scale", new Godot.Vector2(1, 1), 2)
+                            tween.tween_callback(Godot.Callable.create(() => console.log("Tween done!")))
+
+                            // await tween.finished.as_promise()
+                            // console.log("Tween done!")
+                        }}
+                    />
+                }
+            </VBoxContainer>
+        </CenterContainer>
+    )
+}