Add Croatian noun templates

The templates were provided by [[User:Ivi104]] [1] at
[[Wikidata:Wikidata Lexeme Forms/Croatian]] [2] – thank you!

[1]: https://www.wikidata.org/wiki/User:Ivi104
[2]: https://www.wikidata.org/wiki/Wikidata:Wikidata_Lexeme_Forms/Croatian