Setting up examples project

- Dedicated project for raylib examples using Bindings as a class library.

Examples/Program.cs

@@ -0,0 +1,11 @@
+
+namespace ExamplesTest
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Examples.core_basic_window();
+        }
+    }
+}