Code review for Angular 5 test project?

Question

Angular

Hello, Angular gurus)) I sketched
a test project for Angular 5 https://github.com/mountpoint/angular-rss-reader
Take a quick look at what is wrong, what can be improved, etc.
The project was done a bit in a hurry. Here you can see it in action .
PS Yes, there is no channel auto-update. But it's temporary)