manager: provide monet color to webui (#2981)
Provide app color scheme using css variable in suPath, follow MMRL monet
color scheme standard since some module has already support this for a
while. This will not break current module's WebUI, it is an opt-in
feature, you'll need to import before using it. Example:
```css
@import url('https://mui.kernelsu.org/internal/colors.css');
:root {
--my-background-color: var(--surface, #FEF7FF);
--my-text-color: var(--onSurface, #1D1B20);
}
```
This is only provided when monet color is selected in settings.
Co-Authored-By: Der_Googler
<54764558+dergoogler@users.noreply.github.com>
Co-Authored-By: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
Signed-off-by: KOWX712 <leecc0503@gmail.com>
---------
Signed-off-by: KOWX712 <leecc0503@gmail.com>
Co-authored-by: Der_Googler <54764558+dergoogler@users.noreply.github.com>
Co-authored-by: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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