Update Font Awesome icons to v.5.9

[snydercoder]

Feature Request

Problem description

There are many new icons that would be nice to use with Semantic UI React.

Proposed solution

Import the latest 5.9 icons

[welcome]

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[fracmak]

This is only the react implementation of semantic ui. The css comes from the mainline repo. There’s an issue there tracking the upgrade.

Semantic-Org/Semantic-UI#6395

[lafritay]

@fracmak @layershifter First, thanks for all that you do for this project - it truly is great.

It's not worth reopening the debate on whether or not SUI is dead or not, but I think it's safe to say that the chances SUI imports the v5.9 package anytime soon is unlikely. Given that, do you have any recommendations for how someone using SUIR can consume new font awesome icons?

I see a few options:

1. Fork SUI and update the package. Fork SUIR (at least the typescript types to define the new icons).
2. Swap in the css from fomantic-ui (even though this isn't supported). Fork SUIR (at least the typescript types to define the new icons).

I'm not in love with either of those options. Just wanted to check here to see if you had a better suggestion on how to make this happen.

[fracmak]

I've had success in adding new icons using something like icomoon where I can import the existing fonts, add extra ones, then adding them to a sui theme project under specific names. While it's not ideal cause I can't reference the icons using Icon name attribute, nothing stops me from adding classNames for the new names. It's not ideal, but it does work.