Use snort's sqlite/opfs relay

[staab]

https://git.v0l.io/Kieran/snort/src/branch/main/packages/worker-relay/src/sqlite-relay.ts

[staab]

Experimented with this some today. The downside is that the relay runs in a worker, which is good for avoiding clogging up the main thread with work, but bad because of serialization costs. We might need to take a different approach, or access OPFS/sqlite directly.