EDITING-421: Rewrite anglicisms in the Russian version

[illright]

CHANGELOG

• Rewrote uncommon anglicisms in the Introduction section to improve readability.

Checklist

• [x] I reviewed CONTRIBUTING guidelines
• [x] I did a self-review of the changes
• [x] I gave a brief description of the changes
• [x] I awaited for CI checks
• [x] I specified related materials if needed (discussion/issue/pull-request...)
• [x] All requirements for the related issue are resolved if issue exists

Closes #421

[illright]

@azinit @RinAkaia @Krakazybik готово к мерджу?

[azinit]

@illright Спасибо тебе большое! 🚀