This PR adds a quick overview of the Yara language extension in order to
display the language on the Zed [site](https://zed.dev/docs/languages).

Release Notes:

- N/A

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Signed-off-by: egibs <20933572+egibs@users.noreply.github.com>
Co-authored-by: Marshall Bowers <git@maxdeviant.com>