feat: Configured app to system default language on installation

[Mastermind-sap]

Description

Configured the app to run with the system's default set language upon installation. The user can later change the language in settings if he/she wants.

Closes #477

Video

https://github.com/user-attachments/assets/fe6af9e7-0cf8-4d45-a278-ac576b679713

Checklist

• [x] Tests have been added or updated to cover the changes
• [x] Documentation has been updated to reflect the changes
• [x] Code follows the established coding style guidelines
• [x] All tests are passing