UI 자동화를 위해 바인딩 기능 구현

- 유니티 에셋 인증 오류로 meta 재생성

Packages/com.unity.inputsystem/InputSystem/Controls/DoubleControl.cs

@@ -0,0 +1,30 @@
+using UnityEngine.InputSystem.LowLevel;
+
+namespace UnityEngine.InputSystem.Controls
+{
+    /// <summary>
+    /// A control reading a <see cref="double"/>.
+    /// </summary>
+    public class DoubleControl : InputControl<double>
+    {
+        /// <summary>
+        /// Default-initialize the control.
+        /// </summary>
+        public DoubleControl()
+        {
+            m_StateBlock.format = InputStateBlock.FormatDouble;
+        }
+
+        /// <inheritdoc/>
+        public override unsafe double ReadUnprocessedValueFromState(void* statePtr)
+        {
+            return m_StateBlock.ReadDouble(statePtr);
+        }
+
+        /// <inheritdoc/>
+        public override unsafe void WriteValueIntoState(double value, void* statePtr)
+        {
+            m_StateBlock.WriteDouble(statePtr, value);
+        }
+    }
+}