Sorry if it wasn't clear in the article! - You can get to our homepage from the header that says Monocle - I added a link at the very start of the article

In short, Monocle is a service that we're building to push your bank transactions to GSuite. Part of it is you get a nice spreadsheet that acts as a dashboard. You can see an example on http://bit.ly/monocledemo

The chatroom is used for live support. Honestly, I think it's easy for someone to get overwhelmed in Sheets and have a bunch of open questions. In that context, I think that live chat is superior as a means to help someone, than say sending support tickets or such. So I wanted a solution that would let people chat with us from within the spreadsheet.

Being based on Google Sheets, we were lucky to be in web. So I looked for ways to embed something in Sheets, which led me to two options: Sidebars and Dialogs. They allow embedding, which works well with Discord. So we decided to use this solution to provide people with live support.

Thanks. Now that I understand where you're coming from the idea makes a lot of sense and the article may be useful (I started reading it before, but stopped because I needed a background, which I now have).