the header files are not installed! about cpp_vcpkg_project HOT 6 CLOSED

bash-3.2$ cmake --build ./build --config Release
ninja: no work to do.
bash-3.2$ DESTDIR=/Users/clausklein/.local cmake --build ./build --config Release --target install
[0/1] Install the project...
-- Install configuration: "Release"
-- Installing: /Users/clausklein/.local/usr/local/bin/my_exe
-- Installing: /Users/clausklein/.local/usr/local/lib/libmy_lib.a
-- Installing: /Users/clausklein/.local/usr/local/share/cpp_vcpkg_project/cpp_vcpkg_projectConfigVersion.cmake
-- Installing: /Users/clausklein/.local/usr/local/share/cpp_vcpkg_project/cpp_vcpkg_projectConfig.cmake
-- Installing: /Users/clausklein/.local/usr/local/share/cpp_vcpkg_project/cpp_vcpkg_projectTargets.cmake
-- Installing: /Users/clausklein/.local/usr/local/share/cpp_vcpkg_project/cpp_vcpkg_projectTargets-release.cmake
-- Installing: /Users/clausklein/.local/usr/local/share/cpp_vcpkg_project/usage
-- # The package cpp_vcpkg_project provides the following CMake targets:

    find_package(cpp_vcpkg_project CONFIG REQUIRED)
    target_link_libraries(main PRIVATE  cpp_vcpkg_project::my_exe cpp_vcpkg_project::my_lib cpp_vcpkg_project::my_header_lib cpp_vcpkg_project::project_options cpp_vcpkg_project::project_warnings)
  
bash-3.2$ git remote -v
origin	https://github.com/aminya/cpp_vcpkg_project.git (fetch)
origin	https://github.com/aminya/cpp_vcpkg_project.git (push)
bash-3.2$ git log -1
commit 89e97167d283d700daf181ca03ca3e808a623434 (HEAD -> main, origin/main, origin/HEAD)
Author: Amin Yahyaabadi <[email protected]>
Date:   Thu May 5 13:38:00 2022 -0700

    fix: update to project_options v0.21.1
bash-3.2$ git status
On branch main
Your branch is up to date with 'origin/main'.

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	GNUmakefile

nothing added to commit but untracked files present (use "git add" to track)
bash-3.2$