vent: Venezuela Vías Troncales and vena: Venezuela Autopistas

[neroute2]

https://travelmapping.net/user/mapview.php?rg=VEN
Due to the lack of available primary sources, this is not up to the standards of the other South American countries. Most info is from a set of 2015 maps. As always, details in the readme: https://github.com/TravelMapping/HighwayData/blob/master/hwy_data/VEN/vent/README.md

This finishes the primary systems of South America, unless Guyana or Suriname has TM-worthy routes. (There is a loop of main roads connecting Boa Vista and Macapá, Brasil thru these and French Guiana.)