Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/tso.common/Rendering/Framework/Game.cs

@@ -0,0 +1,30 @@
+using Microsoft.Xna.Framework;
+
+namespace FSO.Common.Rendering.Framework
+{
+    public abstract class Game : Microsoft.Xna.Framework.Game
+    {
+        protected GraphicsDeviceManager Graphics;
+        protected GameScreen Screen;
+
+		public Game() : base()
+        {
+            Graphics = new GraphicsDeviceManager(this);
+        }
+
+        protected override void Initialize(){
+            base.Initialize();
+
+            Screen = new GameScreen(GraphicsDevice);
+        }
+
+        protected override void Update(GameTime gameTime){
+            Screen.Update(gameTime, IsActive);
+        }
+
+        protected override void Draw(GameTime gameTime){
+            base.Draw(gameTime);
+            Screen.Draw(gameTime);
+        }
+    }
+}