Implement input config scene loading and saving.

Assets/Cryville/Crtr/Config/InputConfigPanelEntry.cs

@@ -0,0 +1,31 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Cryville.Crtr.Config {
+	public class InputConfigPanelEntry : MonoBehaviour {
+		[SerializeField]
+		Text m_key;
+
+		[SerializeField]
+		Text m_value;
+
+		[SerializeField]
+		Button m_button;
+
+		public void SetKey(InputConfigPanel master, string name) {
+			m_key.text = name;
+			m_value.text = "None";
+			m_button.onClick.AddListener(() => {
+				master.OpenDialog(name);
+			});
+		}
+
+		public void SetValue(string name) {
+			m_value.text = name;
+		}
+
+		public void SetEnabled(bool flag) {
+			m_button.interactable = flag;
+		}
+	}
+}