Bootstrap fight system

- Fight World data structure
- Generating basic fight world
- Opening correct fight room
- Block paths in fight rooms
- Transition between rooms

scripts/CSharp/Common/FightOld/FightStarter.cs

@@ -0,0 +1,19 @@
+using Godot;
+namespace Babushka.scripts.CSharp.Common.Fight;
+
+public partial class FightStarter : Node
+{
+    [Export(PropertyHint.ArrayType)] private PackedScene[] enemies;
+    [Export] private FightInstance _fightInstance;
+    [Export] private bool _once = true;
+    private bool hasBeenStarted = false;
+
+    public void Start(Node2D _)
+    {
+        if (_once && hasBeenStarted)
+            return;
+        
+        hasBeenStarted = true;
+        FightManager.Instance.StartFight(enemies, _fightInstance);
+    }
+}