New default chat shorcut key-combo and /rttl

I propose there should be a /rttl "reply to team leader" command that lets you talk to a team leader if someone else messages you. To make this more accessible, I propose this should be built into the default key combo of Shift + Backspace. It would use the name of the last person who sent you a tell as the argument so you would then talk to that person's team leader.