...
This document will walk you through adding FirePanel as an OBS dock. The FirePanel app can be found by navigating to https://firepanel.r3dlabs.com. At this time, SteamLabs doesn’t support adding custom docks, so instructions in the guide are for OBS only.
FirePanel CAN be used straight from a web browser just by navigating to https://firepanel.r3dlabs.com, so you can use it like that if you want to.
Steps
Note: StreamLabs does not support adding custom browser docks, so the following steps can only be done on OBS.
...