Multilingual support

[loleg]

Some CKAN portals like opendata.swiss are multilingual, and if you want to target a specific language, I've added a wiki page explaining how to do that. However, if you want that users can switch languages interactively, or even combine results from multiple languages, it might be worth thinking about an explicit option in the widget. For this, I would need to dig into the way language support has evolved over the last couple of years, and if there's a standard way to select languages in the API.

[loleg]

This reminds me of a conversation with @metaodi last year, where he explained CKAN's language support to me on opendata.swiss. I've added his notes to the wiki