Milestone: Notes and Actors with languages

Well, it's that, our notes now have a language attribute.

... All right, all right, it's not just it.

Here's what comes with it:

• Filter the streams with only the languages you know
• Federate the language for a more inclusive free network
• Make Tag Wrangling possible an transversal to languages

Here's how it looks:

What does this mean?

We can now show you the notes you can read, but for groups, this mean that you can access umbrella groups and filter the feeds to see what's in your language and even region.

For too long the fediverse struggled with languages, this step makes it easier for actual internationalization of the free network.