How to add multiple save slots in Harlowe 2.0 and auto add save/load links on passages?

Is there a way to add more than one save slot using

{(link:"Save game")[
(if:(save-game:"Slot A"))[
Game saved!
](else: )[
Sorry, I couldn't save your game.
]
]}

also, is there a way to generate templates? Like, a save/load template for passages?