Please read the stickies before posting. The idea you suggested is currently ruled out:
Currently Ruled Out: Here are some amazing ideas that have been ruled out by the dev time for the time being. Posting these ideas will result in your thread being removed without notice!
Frequently Requested: * Playing clash of clans (or any other SC game) on a computer or through a web browser e.g. Facebook
*Donating (or trading) resources or gems to (with) other players
*An exchange building to convert between elixir, gold, dark elixir, or gems
*Assign multiple builders to one build/upgrade
*Upgradeable builders’ huts