feat: aetherbind, first source generator

Game/Level/LevelData.cs

@@ -0,0 +1,13 @@
+using System;
+using Godot;
+using GodotHostTest.Interfaces;
+
+namespace GodotHostTest.Game.Level;
+
+[GlobalClass]
+public partial class LevelData : Resource, ILevel
+{
+    [Export] public double TimeBetweenSpawns;
+
+    TimeSpan ILevel.TimeBetweenSpawns => TimeSpan.FromSeconds(TimeBetweenSpawns);
+}