Get more information about vegetation

[j3r3m1]

In OSM, forest, wood and single trees might have a tag about:

• the leave type via the tag leaf_type
• the phenology of the tree via the tag leaf_cycle

I suppose this information might be useful for climate modelling, what do you think ?
@wurtzj @ebocher

[wurtzj]

Hi @j3r3m1 ,

Seems useful to me :)