JPG thumbnails can now be generated by prusa slicer

[Harvie]

Prusa slicer now can generate JPG thumbnails with following settings:

Only problem is that marlin expects this:

; thumbnail begin 190x190 4924
; ...actual image data...
; thumbnail end

while prusa slicer produces this:

; thumbnail_JPG begin 190x190 4924
; ...actual image data...
; thumbnail_JPG end

I've verified that everything works when i manualy remove the _JPG suffix...
Can you please modify marlin to match both thumbnail and thumbnail_JPG?

[mriscoc]

There is a Python script that generates the correct image format, this script also puts the information of print volume values, time, filament, etc. for the confirmation to print screen.

[Harvie]

To quote the classic: "ain't nobody got time for that".
We are developers. But "normal" people just install slicer, choose preinstalled ender profile and export to sd card. And be like "tf is python?"