added some more ai stubs

- created mob class
- added pathfind and targetfind helper classes (todo: actually add stuff to them)
- added action queue helper class (todo: add shit to it)

FFXIVClassic Map Server/actors/chara/ai/ActionQueue.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FFXIVClassic_Map_Server.Actors;
+using MoonSharp;
+using MoonSharp.Interpreter;
+
+namespace FFXIVClassic_Map_Server.actors.chara.ai
+{
+    class Action
+    {
+        public DateTime startTime;
+        public uint durationMs;
+        public bool checkState;
+        // todo: lua function
+        Script script;
+    }
+    class ActionQueue
+    {
+        private Character owner;
+        private Queue<Action> actionQueue;
+        private Queue<Action> timerQueue;
+
+        public bool IsEmpty { get { return actionQueue.Count > 0 || timerQueue.Count > 0; } }
+
+        public ActionQueue(Character owner)
+        {
+
+        }
+
+        public void PushAction(Action action)
+        {
+
+        }
+
+        public void Update(DateTime tick)
+        {
+
+        }
+
+        public void HandleAction(Action action)
+        {
+
+        }
+
+    }
+}