Add a "Kill" menu bar item using Hammerspoon

kill_menu.lua

do
  killMenu = hs.menubar.new()
  local killer = function (appName)
    return function ()
      hs.execute("killall " .. appName)
    end
  end

  killMenu:setTitle("☠️")
  killMenu:setMenu{
    { title = "Rambox", fn = killer("Rambox") },
    { title = "ATOK",   fn = killer("ATOK30") }
  }
end