How to predefined schema collection and sample create CRUD with nimble:restivus package?

Dear All,

I am very very new on Meteor JS. I really want to create API using nimble:restivus package from Meteor and try many documents for support my learning.
I try to follow: https://github.com/kahmali/meteor-restivus
Unfortunately, i am a beginner, so i don’t understand that guide.
If someone know about the correct to get off my learning, Please guide me.

Thanks initial for any comments.