[Rus] Improved the translation of Redux challenges

[elcodex]

Updated file "create-a-redux-store.russian.md"

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[RandellDawson]

@freeCodeCamp/russian-language-editors Can we get this PR reviewed to validate that the translation matches the current English version of the challenge? Thank you.

[RandellDawson]

Thank you for your contribution to the page! 👍
We're happy to accept these changes, and look forward to future contributions. 🎉