FontAwesome needs update

[felipenmoura]

Bug Report

Steps

Install and try and use some icons that are available only in more up to date versions of font awesome, like:

<Icon name="crown" />

SUIR mentions the fontawesome version 5.0.8, but it is currently on its version 6.4.2.

Expected Result

I believe the icons library could be (kinda easily) updated from time to time.
Perhaps, documentation could state it more clearly on how to update on our own if that is the best fix.

Actual Result

Some icons are simply missing.

Version

^2.1.4

Testcase

In this example, I tried to use the crown icon with no success.
https://codesandbox.io/s/semantic-ui-react-forked-5vdxtv?file=/index.js

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