Enable underscore-underscore ligation group by default

[jeffteixeira]

Is your feature request related to a problem? Please describe.
I'm a Python developer and I really like the Iosevka font, but there's one thing that frustrates me, which is the disabled underscore-underscore ligation group by default.

Describe the solution you'd like
Enable underscore-underscore ligation group by default.

Additional context
Other fonts like JetBrains Mono, Victor Mono and Fira Code, for example, have a ligation enabled by default for __main__, making the code look more elegant.

Related issue with images

[zero00072]

The default:

From the VS Code tutor, change the setting:

It's fine:

I think it may or may not to be a default. I love them be connected. But make them separated is good for default. Someone may like to know whether it is _, __, or ___.

[jeffteixeira]

In vscode it's possible to do this, but in other editors/IDEs it's only possible to enable or disable ligatures.