please I need help - CLS help

[0-MattiaMare-0]

I've been trying to create a custom loading screen for a few days now.

I honestly didn't know what I was doing and I don't even know it yet because honestly there is no Google or YouTube documentation to help.

My idea was to create a custom loading screen that made a logo appear in the center which then rose up and below the custom loading bar appeared but I didn't find a way to do this.
I gave my best but I couldn't.

So I ask if anyone is willing to help me, in case thank you

I conclude by saying that this mod is a nice project what is missing is a documentation that is clear and if possible on video

I UPLOAD THE LOGO I WOULD LIKE TO USE
if possible I would like the loading bar to be red and rectangular centered with