Other services like this: https://www.fivefilters.org/feed-creator/
I've written two blog posts about how we go about using CSS selectors when working with Feed Creator. Might be useful for those looking to do the same with RSS-Bridge.
How to turn a webpage into an RSS feed using Feed Creator
Part 1: https://www.fivefilters.org/2021/how-to-turn-a-webpage-into-...
Part 2 (using more advanced selectors): https://www.fivefilters.org/2021/how-to-turn-a-webpage-into-...