Add attribute system with core stats and gameplay components

GameCore/Combat/WeaponComponent.cs

@@ -0,0 +1,14 @@
+using GameCore.Combat.Interfaces;
+using GameCore.ECS.Interfaces;
+
+namespace GameCore.Combat;
+
+public class WeaponComponent : IComponent
+{
+    public float FireRate { get; set; } = 1f;
+
+    public List<IEffect> OnFireEffects { get; set; } = [];
+    public List<IEffect> OnHitEffects { get; set; } = [];
+
+    public float CooldownTimer { get; set; } = 0f;
+}