[BUG] Language feature not working

[Sebastian Goscinski]

Describe the bug
I´m getting a 404 NOT_FOUND when I´m getting auto redirected to /de. When I type /en manually everything is working fine.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://app.unsaged.com/de'

Screenshots

[Jorge Menjivar]

This looks to be related to #47. We need to fix support for other languages.