(mount/minion): Add support for parsing multi-lingual names

We may want to render versions of the census in Japanese, German, and French at some point in the future.

The mount and minion names are localised by Square to each language. So it would be valuable to retrieve those.

As a consumer of the lodestone client I may wish to fetch a mount/minion name, and the name of the item that grants it in my local language.

Default language of english added to client initializer.
Client fetches only default language by default.
Client will fetch additional languages if instructed to.
Translated string values will be persisted in under their ISO-639-1 code as keys, even if only default language is selected

Keys should be:

Example urls:

XIVStats / lodestone