Add vcpkg port

[kistlin]

Related work/mentions can be found in:

• https://github.com/microsoft/vcpkg/issues/14590
• https://github.com/microsoft/vcpkg/issues/6107

When building uhd on Windows with vcpkg the CMake generation works, but the following packages were missing and caused compiler errors.

boost-test
boost-filesystem
boost-system
boost-format
boost-graph
boost-units
boost-assign
boost-lockfree
boost-dll