Add Splash Screen

[isoguzay]

• [ ] use Splash API
• [ ] show 2 second splash

[isoguzay]

useful links :

• https://developer.android.com/develop/ui/views/launch/splash-screen
• https://youtu.be/Loo4i5IrZ4Y?si=8Io4rhrKh6oHs_RO
• https://www.youtube.com/watch?v=abthd7DOfdw