Create `ru_ru.json`

[mpustovoi]

Both Sodium and Embeddium lang folders Most of the translations for the Sodium folder are provided by the Translations for Sodium resource pack

[github-actions[bot]]

DCO Assistant Lite bot All contributors have read and affirmed the entire contents of the Developer Certificate of Origin.

[mpustovoi]

I have read, and hereby affirm the entire contents of the Developer Certificate of Origin.