[docs] Added flocktory article ru

[ayakivosklznak]

Changelog entry

[docs] Added Flocktory article ru

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• Documentation (changelog entry is not required)

Description for reviewers

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Hi! Thank you for contributing!
The tests on this PR will run after a maintainer adds an ok-to-test label to this PR manually. Thank you for your patience!

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🟢 2025-10-11 17:58:54 UTC The validation of the Pull Request description is successful.

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✅ Documentation build

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Warnings (4)

⚠️ en/devops/observability/monitoring.md: 54: MD009 / no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 7]

⚠️ ru/devops/observability/monitoring.md: 72: MD009 / no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 8]

⚠️ ru/yql/reference/syntax/insert_into.md: 65: MD009 / no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 1]

⚠️ ru/yql/reference/syntax/update.md: 37: MD009 / no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 1]