Enable CMake configs in VCPKG mode

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d773025..dd80d22 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -564,7 +564,8 @@
         LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
     )
 
-    if (BUILD_SHARED_LIBS)
+    # Enable CMake configs in VCPKG mode
+    if (BUILD_SHARED_LIBS OR VCPKG_TARGET_TRIPLET)
         install(EXPORT ${PROJECT_NAME}-config
                 DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})