3D trees for Deutschlandring - WiP

Track : https://www.racedepartment.com/downloads/deutschlandring.25977 /

This version has all the 43 131 trees replaced, and the performance is quite low in many places.

On release I will probably include other versions with less trees for better performance.

After this I will probably work on other tracks by Fat-Alfie, like Fonteny, Battenbergring and Feldbergring