Added a README file regarding WinRT support

To note, this file is currently formatted with CRLF line endings, rather than
LF, to allow the file to be viewed with Notepad.

premake/projects/rectangles.lua

@@ -0,0 +1,28 @@
+-- Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+--
+-- This software is provided 'as-is', without any express or implied
+-- warranty.  In no event will the authors be held liable for any damages
+-- arising from the use of this software.
+--
+-- Permission is granted to anyone to use this software for any purpose,
+-- including commercial applications, and to alter it and redistribute it
+-- freely.
+--
+-- Meta-build system using premake created and maintained by
+-- Benjamin Henning <b.henning@digipen.edu>
+
+--[[
+rectangles.lua
+
+	This file defines the rectangles demo project for iOS. This project is only
+	compatible on iOS and depends on SDL2. It is a windowed application.
+]]
+
+SDL_project "rectangles"
+	SDL_kind "WindowedApp"
+	SDL_os "ios"
+	SDL_language "C"
+	SDL_sourcedir "../Xcode-iOS/Demos"
+	SDL_projectLocation "Demos"
+	SDL_projectDependencies { "SDL2" }
+	SDL_files { "/src/common.*", "/src/rectangles.*", "/Info.plist", }