have managed buffers remove themselves from registry on destruction

add removeEverything() function

add buffer index view helper, fix seam curves from vertex param (#355)

* add buffer view getter, fix curve networks for vertices, cleanup

run formatter

rename manual ground plane option

rename manual ground plane option

properly update the backend name when using auto backend

add windowRequestsClose()

make scalar minmax limits persistent (#250)

add missing SurfaceMesh register w/ permutation functions for

compatibility