Add used imports documentation/tutorial.md

[lopezac]

• Add used imports combine, createEvent and createStore from effector.
• Add final semicolon to export.
• Add changes to english and russian file.

Background

Changelog

[netlify[bot]]

👷 Deploy request for pr-sliced accepted.

Name	Link
🔨 Latest commit	aafd86fff950c22e307e76550def2f80b46cc0a5
🔍 Latest deploy log	https://app.netlify.com/sites/pr-sliced/deploys/637fbc95538dbe000965e827

[illright]

Can't approve this, idk if this is needed

[illright]

Why did you close it? I figured @unordinarity might be able to approve this. It's just that I haven't worked with Effector before

[unordinarity]

@lopezac thank you for those improvements, reviewed and merged