Blizz, please add the ability to make a guild hall

You have the basis for it, the garrison.I feel people would love this, that a guild pays x amount of gold to unlock a plot of land in which they can make their guild hall, and the more guild memebers there are and the more achievements the guild has the more things they can add or expand upon. And then you just give every member a special hearthstone for the hall once they join a guild.