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
6. Translation will processed in a queue
7. Translation is transformed to language file and send to the extension author