Feature request: Add support and option for Material icons

[DominusKelvin]

Really love the snack bar but was sad when I didn't find support to add material icon. I would love for a key for adding material icon in the options config.

[zerodois]

@DominusKelvin Unfortunately using icons in the snackbar goes against the directives set by material.io (see https://material.io/components/snackbars/#anatomy). Still, I think it's worth considering adding this feature. Thanks for the sugestion.

[DominusKelvin]

You are welcome. Would love to help with it any way I can