How to organize multilingual routing in Angular 5?

Question

Angular

I have not been working with Argular for a long time, so there are always more questions than answers.
I want to organize a multilingual site and now I can’t figure out the routing on Angular5
The task is to add a localization sign to the beginning of the URI, for example:
/ru/somearticle
/en/somearticle I
found only one solution on the github on the Internet, but it’s kind of buggy then, in general, I didn’t get along with him ( https://github.com/Greentube/localize-router/blob/...
I know that there is a solution to this problem for sure, but here’s how, I want to ask you