Please add the language code scz to the list of language codes supported for monolingual text values.

Language code: scz
Language name: Shaetlan (scz), Shetlandic (en), Shetländisch (de), shetlandais (fr), Shetlands (li, nl, vls), shetlindé (pcd) and shetlandès (wa)
The used script, if not obvious: Latin script
Where and when the language was or is used: People in Shetland.
Wikidata item: Q3069598