move backend to subfolder

tanks-backend/TanksServer/GameLogic/GameRules.cs

@@ -0,0 +1,24 @@
+namespace TanksServer.GameLogic;
+
+internal sealed class GameRules
+{
+    public bool DestructibleWalls { get; set; } = true;
+
+    public double PowerUpSpawnChance { get; set; }
+
+    public int MaxPowerUpCount { get; set; } = int.MaxValue;
+
+    public int BulletTimeoutMs { get; set; } = int.MaxValue;
+
+    public double MoveSpeed { get; set; }
+
+    public double TurnSpeed { get; set; }
+
+    public double ShootDelayMs { get; set; }
+
+    public double BulletSpeed { get; set; }
+
+    public int SpawnDelayMs { get; set; }
+
+    public int IdleTimeoutMs { get; set; }
+}