More style options

[Achno]

Is your feature request related to a problem? Please describe.
No

Describe the solution you'd like
I would like more style options to configure gdu with

1. Option to hide the Use arrowkeys to navigate, press ? for help panel. After 1 time that panel becomes redundant, if there is anything considering implementing from this issue please let it be this.
2. The text color of the folders (currently blue)
3. The text color of the size ( ex. 6.7GB ) ( currently brown)
4. The text color and background of the panel below with the Total disk usage

Describe alternatives you've considered
My color scheme ( catppuccin-yellow ) heavily clashes with the light blue colors of gdu, so i thought of just using grayscale with

no-color: true

and i would be satisfied with that, if i could just hide the press ? for help panel

I went through the flags and options gdu reads from gdu.yaml and i couldn't find anything

Additional context

Below is a picture of the changes for you to get a visual

[dundee]

Thanks for the ideas! I think at least some of these could make it into the next release.