Translate: Generators, advanced iteration

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Part of #1

Translated

• 1-js/12-generators-iterators/index.md (10/10)
• 1-js/12-generators-iterators/1-generators/article.md (10/10)
• 1-js/12-generators-iterators/1-generators/01-pseudo-random-generator/task.md (10/10)
• 1-js/12-generators-iterators/1-generators/01-pseudo-random-generator/solution.md (10/10)
• 1-js/12-generators-iterators/2-async-iterators-generators/article.md (9.5/10)

Pass 1 (translator agents) + Pass 2 (tutor-voice rewrite) applied to article.md files.