added install option

CMakeLists.txt

@@ -86,3 +86,11 @@ if(TADAH_BUILD_TESTS)
     include(CTest) 
     add_subdirectory(tests)
 endif()
+
+set(TADAH_MLIP_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/include/tadah/MLIP)
+file(GLOB MLIP_H CONFIGURE_DEPENDS "*.h" "*.hpp")
+install(FILES ${MLIP_H} DESTINATION ${TADAH_MLIP_INSTALL_DIR})
+install(DIRECTORY analytics DESTINATION ${TADAH_MLIP_INSTALL_DIR} FILES_MATCHING REGEX "(.+.h|.+.hpp)")
+install(DIRECTORY design_matrix DESTINATION ${TADAH_MLIP_INSTALL_DIR} FILES_MATCHING REGEX "(.+.h|.+.hpp)")
+install(DIRECTORY models DESTINATION ${TADAH_MLIP_INSTALL_DIR} FILES_MATCHING REGEX "(.+.h|.+.hpp)")
+install(DIRECTORY output DESTINATION ${TADAH_MLIP_INSTALL_DIR} FILES_MATCHING REGEX "(.+.h|.+.hpp)")