Yes, I believe you're referring to LWS? (Light wallet server)
I believe Moneronodo will be plug-and-play if you want a convenient way to do that (not sure when it's going to be available)
nostr:npub14a6q6xvt4wuv0wpdpfr336e4fweldtu6np3ehpw55h83xuw2h2zsgyz6rn wasn't there a project on GitHub for Monero node operators that kept a wallet of the admin's choice up to date so as to render sync times effectively nonexistent? I can't seem to find it but I swear I saw something along those lines a few months ago
Discussion
Yes, that's the one- thanks!