whitetrack r1

r1
build cubemaps
fix and update stuff based on feedbacks

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I want to thank tf2maps for hosting the playtests and all the playtesters for playtesting in the playtests to test the map and giving feedbacks

b3
add more details
fix AddTIme not adding time after capping B
more optimization

b2
add 3d skybox
smarter elevators
add a small flank to the top route

visual update
respawn time change
remove security fence on B site
hide C control point when A is capped to avoid confusion

updated the map based on feedbacks

a2
added B and C control points