bug fixes and some improvements added

Enhanced the onboarding experience with a smoother language selection menu.
• Improved dropdown visibility with clear highlighting for the selected language.
• General performance optimizations and bug fixes.

German language support added & some improvements added

- Bug fixes.
- Congratulations! Now you can translate the app into Portuguese.

- Bug fixes.
- Congratulations, Now you are be able to translate app in Portuguese language.

- Bug fix.
- Congratulations now you will be able to translate language to Spanish.