feat(mobile): translation for settings

[hyoban]

Description

PR Type

• Feature
• Bugfix
• Hotfix
• Other (please describe):

Screenshots (if UI change)

Demo Video (if new feature)

Linked Issues

part of FOL-1847

Additional context

Changelog

• I have updated the changelog/next.md with my changes.

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[follow-reviewer-bot]

Suggested PR Title:

refactor(settings): improve translations and UI consistency

Change Summary:
Refactor settings module to improve translations and UI consistency. Enhanced user experience by integrating i18next for localization across various settings routes and components. Significant additions and removals in several files streamline the code and improve maintainability.

Code Review:
No change requests necessary.

[linear]

FOL-1847 i18n for mobile