add foot paths, land use features

Should verify the trail names in person since the map I used was old. In particular I think "Gum Tree Girls Trail" may have been renamed.

Missing fork that goes to Recreation center

Missing bridge

Missing steps

Add grass

add time based left turn restriction

I tried to apply the Geary senior zone speed limits based on https://www.sfexaminer.com/news/speed-limits-to-be-reduced-on-parts-of-geary-boulevard/ but this should probably be verified through a survey

construction is done and building outline is available in aerial imagery

Suchada is duplicated