Implemented Strategy Pattern

Tello Drone/MissionList.cs

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+using System;
+using System.Collections.Generic;
+using System.Dynamic;
+using System.Linq;
+using System.Reflection;
+using FastExpressionCompiler.LightExpression;
+using ImTools;
+using Tello_Drone.Missions;
+
+namespace Tello_Drone
+{
+    public class MissionList : IMissionList
+    {
+        public List<(string, IMissions)> GetMissionList( )
+        {
+            var list = new List<(string, IMissions)>();
+            
+            list.Add(("Mission 1", new Mission1()));
+            list.Add(("Mission 2", new Mission2()));
+            list.Add(("Mission 3", new Mission3()));
+
+            return list;
+        }
+
+    }
+}