Quiz Application

[Namya13Jain]

Develop a quiz application by implementing these features:

1. Add both light and dark themes to the app
2. Add a splash screen
3. Change the font style in the application
4. Make the application responsive for various screen sizes

[AnanyaSinghal23]

@Namya13Jain @ayushichoudhary-19 @Nitya-Pasrija
Please assign this issue to me

[Namya13Jain]

Assigned @AnanyaSinghal23