Translation process

The translation process is divided with the following steps:

1. An author add plugin to the tool (/plugin) (repository state: waiting)
2. a. The author confirms the activation mail (/plugin/{name}/activate/{key}) (repository state: initialProcessing)

b. *alternative*: server admin adds plugin directly using `dokuwiki:add` command (repository state: initialProcessing)

3. Get the extension from a Git repository

4. Process the translation files to a local format

5. User creates a new translation (/translate/plugin/<name>) - See Translation Form

   Results in TranslationUpdateEntity added with an id and state 'undone' and the translation stored in [datafolder]/updates/<id>.update

6. Translation will processed in a queue

7. Translation is transformed to language file and send to the extension author