* Updated project dependencies based on vcpkg

* Minor improvements in the implementation

* Updated CI configuration

* Updated README

* Added check to silence warning for tests

* Updated build configuration for Windows

* In an attempt to fix the failing test linkage on AppVeyor for MSVC, I migrated all tests to Catch2

* Update CI configurations to use Catch2 instead of GTest

* Removed skyr/expected.hpp header

* Updated configuration for dependencies for tests, using vcpkg