Create README.md

Example projects of Windows Phone articles (Turkish) on my blog (garenyondem.com)

http://garen.yondem.com/post/Windows-Phone-8-SDKdeki-Yeni-Launcher-ve-Chooserlara-Detayli-Bakis.aspx
http://garen.yondem.com/post/Pivot-ve-Panorama-Kontrollerinde-Secilmis-Itemi-Yakalamak.aspx
http://garen.yondem.com/post/Windows-Phone-Device-Status-Bilgilerini-Almak.aspx