Feature Requests: Multilanguage Support, Weekly Charts, Telegram Theme, Full-Screen Support

[Suburbanno]

1. Multilanguage Support - Support multiple languages for users.
2. Weekly Charts - Add a tab for generating weekly charts. Feature: A tab for generating weekly charts #3
3. Telegram Theme Support - Provide themes styled after Telegram. Feature: Telegram Theme Support #2
4. Full-Screen Support - Enable a full-screen mode for the application. Feature: Full-Screen Support #1

Let’s track the mentioned Feature by you here in one issue.