Add initial implementation of Dialogue Manager; include core scripts, scenes, and resources

Scripts/UI/TutorialScene.cs

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+using DialogueManagerRuntime;
+using Godot;
+
+namespace ParasiticGod.Scripts.UI;
+
+public partial class TutorialScene : Control
+{
+    [Export] private PackedScene _mainGameScene;
+    [Export] private Resource _tutorialDialogue;
+    
+    public override void _Ready()
+    {
+        DialogueManager.DialogueEnded += OnDialogueEnded;
+        DialogueManager.ShowExampleDialogueBalloon(_tutorialDialogue, "start");
+    }
+    
+    public override void _ExitTree()
+    {
+        DialogueManager.DialogueEnded -= OnDialogueEnded;
+    }
+    
+    private void OnDialogueEnded(Resource resource)
+    {
+        if (resource == _tutorialDialogue)
+        {
+            GetTree().ChangeSceneToPacked(_mainGameScene);
+        }
+    }
+}

Scripts/UI/TutorialScene.cs.uid

@@ -0,0 +1 @@
+uid://d08d3pi7sx8k3