Add App Name on Splash Screen

[rchtgpt]

Summary

There needs to be a text widget containing the app name on the Splash Screen.

Splash screens are typically used to communicate to the user that the program is in the process of loading.

Steps to reproduce

If screen takes some time to load then the splash screen will come up.

Expected behaviour

The splash screen should have a decent design to look at.

Observed behaviour

Currently the splash screen is empty.