Author here: It's powered by Instant, the company I helped found. The counter is pretty easy to set up. Here's how it works on the blog: 1. You set up a sche

Author here: It's powered by Instant, the company I helped found. The counter is pretty easy to set up. Here's how it works on the blog: 1. You set up a schema: https://github.com/stopachka/stopaio/blob/main/src/instant.schema.ts#L39-L43 https://github.com/stopachka/stopaio/blob/main/src/instant.s... 2. And then use `presence` to write an ActiveCounter: https://github.com/stopachka/stopaio/blob/main/src/app/ActiveCounter.tsx https://github.com/stopachka/stopaio/blob/main/src/app/Activ...