unqlite can be used from CMake via:
    find_path(UNQLITE_INCLUDE_DIRS "unqlite.h" REQUIRED)
    find_library(UNQLITE_LIBRARIES unqlite REQUIRED)
    
    target_include_directories(main PRIVATE ${UNQLITE_INCLUDE_DIRS})
    target_link_libraries(main PRIVATE ${UNQLITE_LIBRARIES})
