Reference asset in theme configuration file/options

Hello,

I am very relieved Grav exists because I was beginning to dislike the direction Wordpress was heading (bloated html and completely unnecessary javascript scripts loaded)..

Anyway, hopefully I'm not wasting anyone's time with these simple questions..

What is this url type called? --> theme://images/logo.png

How can I call this type of reference url within my theme's configuration file? My aim is for something as follows in a file called themes/my-first-theme/my-first-theme.yaml

dropdown:
  enabled: true
logo: theme://images/logo.png

So that within twig, I can use {{ theme_config.logo }}

Since I just had to research this ...

logo: 'theme://images/example.svg'

And in Twig:

<img src="{{ url(theme_config.logo) }}">