Update README.md

README.md

@@ -98,6 +98,7 @@ We are looking for translators to make Wiki.js available in multiple languages.
 - [x] English
 - [x] Chinese - *Thanks to [@choicky](https://github.com/choicky)*
 - [x] French
+- [x] German - *Thanks to [@joetjengerdes](https://github.com/joetjengerdes)*
 - [x] Korean - *Thanks to [@junwonpk](https://github.com/junwonpk)*
 - [x] Portuguese - *Thanks to [@felipeplets](https://github.com/felipeplets)*
 - [x] Russian - *Thanks to [@efimlosev](https://github.com/efimlosev)*