feat: Update a Russian language (#1267) - thanks @Heimdallr-1

* Update ru_ru.json

* Create RURUProvider

* Rename RURUProvider to RURUProvider.java

* Update ru_ru.json

* Update RURUProvider.java

* Update ru_ru.json

* Update ru_ru.json

* Update RURUProvider.java

* Update ru_ru.json

* Update RURUProvider.java

* Update ru_ru.json

* Update ru_ru.json

* Update RURUProvider.java

* Update RURUProvider.java

* Update ru_ru.json

* Update ru_ru.json

Finish

* Update RURUProvider.java

Finish

* Update ru_ru.json

* Update ru_ru.json

* Update RURUProvider.java

* Update RURUProvider.java

* Update ru_ru.json

* Update RURUProvider.java

* fix: duplicate call to .add()

* fix: allow calls to lang("ru_ru").addTooltip

* Update ru_ru.json

* Update ru_ru.json

* Update ru_ru.json

* Update RURUProvider.java

* Update ru_ru.json

* Update RURUProvider.java

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Co-authored-by: Kli Kli <[email protected]>

Author: Heimdallr-1