Add prologue, two story boxes

Assets/Story/Scenes/Scene_Prologue_First.cs

@@ -0,0 +1,30 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Scene_Prologue_First: StoryScene {
+    public override IEnumerator Play(StoryDisplay storyDisplay) {
+        yield return new WaitForSeconds(1f);
+        yield return storyDisplay.DisplayText("Are you going out again?", DialogPosition.Left);
+        yield return new WaitForSeconds(1f);
+        yield return storyDisplay.DisplayText("Yes.", DialogPosition.Right);
+        yield return new WaitForSeconds(1f);
+        yield return storyDisplay.DisplayText(
+            "Do you not get bored of doing the same things over and over? Seeing the same people, dealing with the same problems?",
+            DialogPosition.Left);
+        yield return new WaitForSeconds(1f);
+        yield return storyDisplay.DisplayText(
+            "Sometimes I feel like I'm imprisoned in my own life. Like I'm stuck in it, passing the time, until it ends.",
+            DialogPosition.Left);
+        yield return storyDisplay.DisplayText(
+            "Life is finite, after all. There is only so much you can do in it.",
+            DialogPosition.Left);
+        yield return new WaitForSeconds(2f);
+        yield return storyDisplay.DisplayText(
+            "Finite in time, yes. But infinite in possibilities.",
+            DialogPosition.Right);
+        yield return new WaitForSeconds(2f);
+
+        // TODO: Transition to Chapter 1.
+    }
+}