feat: add outgoing messages to client

Client/Domain/Entities/Player.cs

@@ -62,6 +62,7 @@ namespace Client.Domain.Entities
         public VitalStats VitalStats { get => vitalStats; set => vitalStats = value; }
         public CreatureTypeEnum Type { get => CreatureTypeEnum.Player; }
         public uint AggroRadius { get; set; } = 0;
+        public bool IsHostile { get; set; } = false;
 
         public Player(uint id, Transform transform, FullName fullName, Phenotype phenotype)
         {