enhancement: Update pixelated icon on Windows

[perigozin]

Problem Statement

I noticed the icon is slightly pixelated on the Windows taskbar, which is a common problem developers sometimes don't notice. Windows icons (.ico) must have all different sizes (from 256px down to 16px) inside it to render correctly when scaled down (Jan's .ico only have the 256px variant).

I solved it for me by extracting the .ico file using Resource Hacker, opening it with IcoFX, then Image -> Create Windows Icon From Image, saving the .ico file and changing Jan's icon in the Windows shortcut or replacing it in the .exe with Resource Hacker.
(this can also be done by using ConvertICO to convert the .png icon to .ico with all the correct sizes).

I know it's just a small visual issue (sorry for the OCD) but please consider updating with the improved icon.

Link to the edited .ico in case it might be useful: https://www.dropbox.com/scl/fi/om0f97tbbdayi2j8h2phz/jan.ico?rlkey=bpjvzae2fezl0q0f0yp3wuq9p&st=qgcd9qux&dl=0

Before/after:

Feature Idea

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[imtuyethan]

That's very OCD of you @perigozin I love it!