Translate README to Russian language, add link to other translations

[koddr]

We'd love to see more contributions

• Read how you can contribute to the project.
• Please attach an issue link which your PR solves otherwise your work may be rejected.

Link to issue: #1411

[kataras]

LGTM we ❤️ Russia

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}