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/Camera/ICamera.cs

@@ -0,0 +1,24 @@
+using Microsoft.Xna.Framework;
+
+namespace FSO.Common.Rendering.Framework.Camera
+{
+    public interface ICamera
+    {
+        Matrix View { get; }
+        Matrix Projection { get; }
+
+        Vector3 Position { get; set; }
+        Vector3 Target { get; set; }
+        Vector3 Up { get; set; }
+        Vector3 Translation { get; set; }
+
+        Vector2 ProjectionOrigin { get; set; }
+        float NearPlane { get; set; }
+        float FarPlane { get; set; }
+        float Zoom { get; set; }
+        float AspectRatioMultiplier { get; set; }
+
+        void ProjectionDirty();
+
+    }
+}