Add vcpkg.cmake for Windows

- Add definition `-DMICROSOFT_WINDOWS_WINBASE_H_DEFINE_INTERLOCKED_CPLUSPLUS_OVERLOADS=0`.
- Set target architecture to `x64`.
- Configure CRT and library linkage to `dynamic`.

CMakeLists.txt

@@ -28,11 +28,19 @@ set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
 set(BUILD_SHARED_LIBS OFF)
 set(CMAKE_FIND_FRAMEWORK LAST)
 set(CMAKE_SHARED_MODULE_PREFIX "")
+
+if (UNIX)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Dlinux -Dstricmp=strcasecmp")
+endif()
+
 if (MACOS)
   set(CMAKE_INSTALL_PREFIX /usr/local)
 endif()
 
+if (WIN32)
+  include(cmake/vcpkg.cmake)
+endif()
+
 # Abseil Standard Specifications
 include(cmake/absl.cmake)