[FIX] Folder restructure (#2018)

As requested

Poll
```
1. Yes
2. Yes
3. Maybe, but yes
```

---------

Co-authored-by: Celandriel <22352763+Celandriel@users.noreply.github.com>

src/Util/ServerFacade.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license, you may redistribute it
+ * and/or modify it under version 3 of the License, or (at your option), any later version.
+ */
+
+#ifndef _PLAYERBOT_SERVERFACADE_H
+#define _PLAYERBOT_SERVERFACADE_H
+
+#include "Common.h"
+
+class Player;
+class Unit;
+class WorldObject;
+class WorldPacket;
+
+class ServerFacade
+{
+public:
+    ServerFacade(){};
+    virtual ~ServerFacade(){};
+    static ServerFacade* instance()
+    {
+        static ServerFacade instance;
+        return &instance;
+    }
+
+public:
+    float GetDistance2d(Unit* unit, WorldObject* wo);
+    float GetDistance2d(Unit* unit, float x, float y);
+    bool IsDistanceLessThan(float dist1, float dist2);
+    bool IsDistanceGreaterThan(float dist1, float dist2);
+    bool IsDistanceGreaterOrEqualThan(float dist1, float dist2);
+    bool IsDistanceLessOrEqualThan(float dist1, float dist2);
+
+    void SetFacingTo(Player* bot, WorldObject* wo, bool force = false);
+    Unit* GetChaseTarget(Unit* target);
+
+    void SendPacket(Player *player, WorldPacket* packet);
+};
+
+#define sServerFacade ServerFacade::instance()
+
+#endif