How do I prepend rules to [icon] in theme.toml?

[grig-iv]

How to prepend rules to [icon] in theme.toml?

The straightforward way is just overwriting rules

[icon]
rules = [
    ...
]

[sxyazi]

Not supported atm, but we can add it, would you like to file an issue for it?

[grig-iv]

Yes, I would even try to implement it :)

[sxyazi]

Done in #670, thank you @grig-iv !