Legacy IDE theme for IDE 2.0

Hello, thanks for the link.

I gave a shot for a theme from Visual Studio Marketplace using Find Theme section.

Do you know by any chance, how to exactly put the theme inside the created extensions folder?
I tried severaly ways, but none of them worked. The added theme doesn't show in the drop down menu.

Only the json files are needed?
kép

Maybe @in0 could also help.

Thanks in advance.