Adding Russian translation

[MrKalach]

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[MrKalach]

Hey @valstu!
Any chance to merge it?

[valstu]

Yeah, this looks good, we added few new translation keys for the bubble chart yesterday so those could be added. I just need to figure out a way to show all these translations since there are 3 other PRs waiting and the current language selecter needs to be restyled.

[MrKalach]

Maybe move all translations to separate files to utils/translations/{LANG}-translation.ts? Then dynamically include them (not sure, is it possible in TS)? Every include could itself add data to global phrases: { [key: string]: { [key: string]: string } } ?

ps. I'm very far from TS and web dev. And maybe my ^^^ proposal is so stupid :)

[MrKalach]

@valstu I did update the PR. Conflicts fix.