Added build instructions

README.md

@@ -2,6 +2,9 @@
 
 [Xenko](https://xenko.com) demo, made in 2016/2017 by [Silicon Studio](https://www.siliconstudio.co.jp)
 
+Build instructions: This project makes use of Git Large File System (LFS). So in order to download all assets next to the code in this repository, please make use of a Git client that support LFS. 
+
+
 ![Poster](poster.jpg)
 
 ![Editor screenshot](editor_screenshot.jpg)
@@ -12,4 +15,4 @@ Code: [MIT](https://opensource.org/licenses/MIT)
 
 Assets: [Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)](https://creativecommons.org/licenses/by-nc/4.0/)
 
-[More details here.](LICENSE.md)
+[More details here.](LICENSE.md)