Solcast HACS Integration Setup walkthru

I have been using Home Assistant on a RP4 for about a year now. I am trying to set up the HACS Solcast integration so I can track my enphase system peformance against expectations in the log.

I can’t figure out how to get SOLCAST to show up as an entity in Home Assistant. I added the repository in HACS but can’t figure out what to do from there.

Setup guide says “Copy content of custom_components to your local custom_components folder and add the following lines to your configuration.Copy content of custom_components to your local custom_components folder and add the following lines to your configuration.”

solcast:
  api_key: XXXXXX
  resource_id: YYYYYY
  api_limit: 20
  disable_ssl_check: False
  disable_automatic_forecast_fetching: False
  disable_automatic_history_fetching: False

I have the custom_components directory, but I can’t figure out how to add the above lines to my configuration.

So far I have configured everything via the GUI, so I’m not sure where to put this.

Help!