feat: Player & Camera

Assets/_Content/Scripts/Combat/IDamageable.cs

@@ -0,0 +1,10 @@
+namespace Arena.Combat
+{
+    /// <summary>
+    /// Anything that can receive damage: player, enemy, destructible object.
+    /// </summary>
+    public interface IDamageable
+    {
+        void TakeDamage(int amount);
+    }
+}