Add Dark mode

[fatsolko]

I am a newbie in Python, if I made any mistakes you can correct me.

There is how it looks:



Added a button for changing the theme:

[justin025]

One minor nitpick, the Dark theme button should probably go above the save settings button see here https://files.catbox.moe/jqv2zo.png. Otherwise thanks for the patch

[fatsolko]

One minor nitpick, the Dark theme button should probably go above the save settings button see here https://files.catbox.moe/jqv2zo.png. Otherwise thanks for the patch

done

[realeatham]

i hope this gets acepted but it has not been updated in a year

[fatsolko]

i hope this gets acepted but it has not been updated in a year

you can do your build with that fixes