Rss Feed with spatie/laravel-feed : I followed there guid on GitHub Now I want to add Feeds form other websites But cant Find the way to do so

This is the Model For the feeds

I need help to get the feeds from other websites for eg google news or any other news website.

can anyone help me for guide me to a tutorial for that ?

this is the tutorial that I followed

https://laravel-news.com/learn-to-create-an-rss-feeds-from-scratch-in-laravel

Or If there is any other way to get feeds ?