gui → hotkey Relation

File in gui	Includes file in hotkey
core / event / dispatcher.hpp	hotkey_command.hpp
core / event / handler.cpp	hotkey_item.hpp
dialogs / hotkey_bind.hpp	hotkey_item.hpp
dialogs / preferences_dialog.cpp	hotkey_item.hpp
dialogs / preferences_dialog.hpp	hotkey_command.hpp
widgets / styled_widget.cpp	hotkey_item.hpp