Merge pull request #1886 from swahtz/feature/fvdb #2357

Job	Run time
linux-nanovdb:cxx:g++-Release	1m 31s
linux-nanovdb:cxx:g++-Debug	1m 33s
linux-nanovdb:cxx:clang++-Release	1m 36s
linux-nanovdb:cxx:clang++-Debug	1m 41s
macos-nanovdb (macos-11, clang++, Release)	1s
macos-nanovdb (macos-11, clang++, Debug)	1s
nanovdb-lite	2m 43s
windows-nanovdb (x64-windows-static, Release, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_...	20m 8s
windows-nanovdb (x64-windows-static, Debug, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_SH...	25m 33s
windows-nanovdb (x64-windows, Release, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=...	18m 45s
windows-nanovdb (x64-windows, Debug, -A x64 -G \"Visual Studio 17 2022\" -DOPENVDB_CORE_STATIC=OFF)	26m 36s
	1h 40m 8s

Provide feedback