Core/AdventureMap: Handle CMSG_ADVENTURE_MAP_START_QUEST

Port From (https://github.com/TrinityCore/TrinityCore/commit/08e017b3512ce8189adc6762e3670c20c900f54e)

Source/Game/Networking/Packets/AdventureMapPackets.cs

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using Framework.Constants;
+using Framework.Dynamic;
+using Framework.GameMath;
+using Game.Entities;
+using System;
+using System.Collections.Generic;
+
+namespace Game.Networking.Packets
+{
+    class AdventureMapStartQuest : ClientPacket
+    {
+        public AdventureMapStartQuest(WorldPacket packet) : base(packet) { }
+
+        public override void Read()
+        {
+            QuestID = _worldPacket.ReadUInt32();
+        }
+
+        public uint QuestID;
+    }
+}