kimjaehyeon0101 bf78a25773 Add theme and language settings to the user profile menu
Introduces a new settings dropdown in the Home page header, containing theme (light, dark, system) and language selection options.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 069d4324-6c40-4355-955e-c714a50de1ea
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/069d4324-6c40-4355-955e-c714a50de1ea/9tQ591o
2025-09-29 22:19:45 +00:00
Description
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202 MiB
Languages
TypeScript 92.1%
HTML 6.5%
CSS 1.4%