cmake_layout customization (#2561)
cmake_layout customization (#2561)

* cmake_layout docs

* Update reference/conanfile/tools/cmake/cmake_layout.rst

* Update reference/conanfile/tools/cmake/cmake_layout.rst

* Update reference/conanfile/tools/cmake/cmake_layout.rst

* Update reference/conanfile/tools/cmake/cmake_layout.rst
conan-io/docs,conan-io/docs,conan-io/docs,conan-io/docs