Added initial support for rendering composites

This is far from complete, but it's a start
and it will enable us to create things like tables
and other complex objects in the long run.

src/Spectre.Console/AnsiConsole.Rendering.cs

@@ -0,0 +1,19 @@
+using Spectre.Console.Composition;
+
+namespace Spectre.Console
+{
+    /// <summary>
+    /// A console capable of writing ANSI escape sequences.
+    /// </summary>
+    public static partial class AnsiConsole
+    {
+        /// <summary>
+        /// Renders the specified object to the console.
+        /// </summary>
+        /// <param name="renderable">The object to render.</param>
+        public static void Render(IRenderable renderable)
+        {
+            Console.Render(renderable);
+        }
+    }
+}