Replace eslint and prettier with biome

[fityannugroho]

PR Checklist

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• The commit message follows our Contributing Guidelines
• Tests for the changes have been added (optional, for bug fixes or features)
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PR Type

What kind of change does this PR introduce?

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• Bug fix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
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• Data change

What is the current behavior?

eslint-prettier-related dependencies become complex and hard to maintain.

What is the new behavior?

Replace eslint and prettier with biome to streamline linting and formatting (single dependency-@biomejs/biome).

Other information

None