Fill background with repeating sprite

[aglitchman]

Describe the example you'd like
To make the background not monotonous and depressing, it's a nice trick to add a repeating sprite to the background, which in addition is animated by movement in one direction.

Example UI from Brawl Stars as a reference:

Additional context (optional)
Most likely it's easier to do it with model and quad, and set the texture to mode repeat.

[aglitchman]

Related https://forum.defold.com/t/texture-scrolling-shader-tutorial-example/71553