Add theme change button in settings page

[justdvnsh]

We need to add a theme change button in the splash screen. The theme change button must be a dialog to select the theme. The theme can be light mode dark mode and system mode. The default selected item must be system mode.

[krishnachaitanya0107]

Hey @justdvnsh , i would like to work on this issue . Please assign it to me if it is still open . Thanks

[justdvnsh]

Hi @krishnachaitanya0107 I have assigned it to you. Happy coding