I was looking to see if i could add an RSS feed into a channel using connector and o yes you can.
On your channel hit the three dots and select Connectors
In Connector window click configure next to RSS
In RSS enter a name for your RSS connection, Address for RSS and select Digest Frequency from drop down and click save.
Digest Frequency you can have as below.
Configured
After clicking save you will see this is now displayed as a configured connector
If you click the drop down arrow you can see more information and click manage.
By Clicking Configure you can add another RSS Feed.
Click Manage you can update or remove
RSS Feed in Channel
Quick zoom in on messages. Notifies the RSS was configured and by who.
Display RSS feed in channel, you can expand by click see more.