feat: lazysecrets list prints every source, vault and secret, for fzf and editor pickers

docs/config.md

@@ -140,7 +140,8 @@ you: the Sources lists, vaults and scopes, and secrets' names and metadata
 once, and anything older than two minutes reloads in the background when
 you go to it, or when Go to searches it. While it does, the pane's
 bottom border says how old what it shows is (`cached 3h ago`). Revealing
-and copying always fetch the value live.
+and copying always fetch the value live. [`lazysecrets list`](links.md#listing-for-fzf-and-pickers)
+reads it and adds to it too.
 
 Lists not loaded for 30 days are dropped, and so is everything from an
 account you're no longer signed in to. Repos aren't cached: their files