[DOC] Documentation about how to use locallang.xlf with Flux in a Provider-Extension.
Merge branch 'locallang-md' of https://github.com/randomresult/flux into locallang-md

* 'locallang-md' of https://github.com/randomresult/flux:
  [DOC] Documentation about how to use locallang.xlf with Flux in a Provider-Extension.

Conflicts:
	Documentation/working-with-localang.md