[FEATURE]: Add Slovenian spelling dictionary

[KrOstir]

Feature Description

Thanks for the Codebook.

I see the dictionaries are being added for many languages. Would it be possible to include Slovenian? It is available here:
https://github.com/wooorm/dictionaries/tree/main/dictionaries/sl

Use Case

Add Slovenian (sl)

Proposed Solution

Same as other dictionaries.

Alternative Solutions

No response

Examples

No response

Additional Context

No response