German translation started

Author: MartinEls

README.md

@@ -11,6 +11,7 @@ Published:
 In progress:
 - Chinese: the ongoing translation at [https://github.com/iliakan/javascript-tutorial-cn](https://github.com/iliakan/javascript-tutorial-cn), go ahead and join if you know Chinese.
 - Spanish: https://github.com/lmauromb/javascript-tutorial-es
+- German: https://github.com/MartinEls/javascript-tutorial-de
 
 If you'd like to translate it into your language then fork the English tutorial and go ahead. I can publish the translation with your credits on a domain like fr.javascript.info or you can do it on your domain.