feat: lazysecrets list's JSON says when an entry was last used, and how often

cmd/lazysecrets/list.go

@@ -115,9 +115,9 @@ func listCmd(providers []provider.Provider, st *store.Store, cachePath string, t
 	}
 	f = listing.Run(context.Background(), listing.Options{
 		Providers: providers, Cache: f, MaxAge: *maxAge, Cached: *cached, Kinds: only, Timeout: timeout,
-		Mark: func(link, account string) (bool, bool) {
+		Mark: func(link, account string) (bool, time.Time, int) {
 			n := st.Node(link)
-			return n.StarredFor(account), !n.LastUsed.IsZero()
+			return n.StarredFor(account), n.LastUsed, n.Uses
 		},
 	}, emit)
 	if cachePath != "" && !*cached {