[documentation] should list and show the `fork` icon

[givanse]

Steps

Go to https://semantic-ui.com/elements/icon.html and in the input field Search icons... do a search for the keyword fork.

Expected Result

The Github fork icon appears as a result.

Actual Result

No results are found.

Version

NA

Testcase

Just follow the steps.

[whoisryosuke]

Put in a PR to the next branch for this one: https://github.com/Semantic-Org/Semantic-UI-Docs/pull/403

[lubber-de]

Fixed in the community fork Fomantic-UI https://fomantic-ui.com/elements/icon.html