Forairaaaaa

Can customize like: ```CPP auto panel = (lgfx::Panel_sdl*)(...).getPanel(); panel->addKeyCodeMapping(SDLK_q, 0); panel->addKeyCodeMapping(SDLK_w, 1); panel->addKeyCodeMapping(SDLK_e, 2); panel->addKeyCodeMapping(SDLK_r, 3); panel->addKeyCodeMapping(SDLK_f, 4); ```