Added raylib-example project

- Separate project to test raylib on its own.
-

Raylib-example/Program.cs

@@ -0,0 +1,57 @@
+using raylib;
+using static raylib.raylib;
+
+namespace Raylibexample
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Test();
+        }
+
+        public static int Test()
+        {
+            var RAYWHITE = new Color { R = 255, G = 255, B = 255, A = 255 };
+            var MAROON = new Color { R = 0, G = 0, B = 0, A = 255 };
+
+            // Initialization
+            //--------------------------------------------------------------------------------------
+            int screenWidth = 800;
+            int screenHeight = 450;
+
+            InitWindow(screenWidth, screenHeight, "Raylib-cs [core] example - basic window");
+
+            SetTargetFPS(60);
+            //--------------------------------------------------------------------------------------
+
+            // Main game loop
+            while (!WindowShouldClose())    // Detect window close button or ESC key
+            {
+                // Update
+                //----------------------------------------------------------------------------------
+                // TODO: Update your variables here
+                //----------------------------------------------------------------------------------
+
+                // Draw
+                //----------------------------------------------------------------------------------
+                BeginDrawing();
+
+                ClearBackground(RAYWHITE);
+
+                DrawText("Congrats! You created your first window!", 190, 200, 20, MAROON);
+                DrawFPS(0, 0);
+
+                EndDrawing();
+                //----------------------------------------------------------------------------------
+            }
+
+            // De-Initialization
+            //--------------------------------------------------------------------------------------   
+            CloseWindow();        // Close window and OpenGL context
+            //-----------------------------
+
+            return 0;
+        }
+    }
+}