Add initial implementation of game mechanics and resources management

Scripts/Core/Effects/UnlockMiracleEffect.cs

@@ -0,0 +1,16 @@
+using Godot;
+using Godot.Collections;
+
+namespace ParasiticGod.Scripts.Core.Effects;
+
+[GlobalClass]
+public partial class UnlockMiracleEffect : Effect
+{
+    [Export]
+    public Array<string> MiraclesToUnlock { get; set; }
+    
+    public override void Execute(GameState gameState)
+    {
+        
+    }
+}